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Awesome list of tools for Electric Vehicles

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README.md

Original

Awesome Electric Vehicle Awesome

A carefully curated list of specifications, tools, and resources for electric vehicle (EV) charging protocols — a central point of information for developers and enthusiasts working in the e-mobility space.

Contents

ev roaming protocols

Specifications

OCPP (Open Charge Point Protocol)

The Open Charge Point Protocol (OCPP) is a communication protocol between electric vehicle charging stations and a central management system.

ISO 15118

ISO 15118 is an international standard for communication between electric vehicles and the charging station.

OCPI (Open Charge Point Interface)

The Open Charge Point Interface (OCPI) is a protocol for roaming between charging station networks.

Modules

OCPI 2.3.0 is published as a core specification plus optional modules packaged separately.

Core functional modules:

Module Specification per version
Locations 2.1.1, 2.2.1, 2.3.0
Sessions 2.1.1, 2.2.1, 2.3.0
CDRs 2.1.1, 2.2.1, 2.3.0
Tariffs 2.1.1, 2.2.1, 2.3.0
Tokens 2.1.1, 2.2.1, 2.3.0
Commands 2.1.1, 2.2.1, 2.3.0
Charging Profiles 2.2.1, 2.3.0
Hub Client Info 2.2.1, 2.3.0
Invoice Reconciliation 2.3.0 (ed2)

Additional modules (packaged separately). Payments and Bookings are optional, evolve independently of the core, and are published as standalone PDFs bundling a core edition with the module. They are independent from each other and from Invoice Reconciliation — an implementation may support any of them on its own.

  • Payments (2.3.0)
    • ed2 (2026-06, core edition 2 + Payments)
    • ed1 (2026-06, core edition 1 + Payments)
  • Booking (2.3.0) — exact version labels are still being settled; the OCPI editors deferred on this in ocpi/ocpi#572
    • ed2 — not yet released
    • ed1 (2026-06, tag v2.3.0-bookings)
    • 1.1 (2025-06, no GitHub tag)

Extensions (vendor / community):

Extension OCPI version Source Date
Direct Payment 2.2.1 EVRoaming 2024-03
e-PoI service 2.2.1 Gireve 2025-10
Accessibility extension 2.3.0, 3.0 EVRoaming 2025-12
Autocharge 2.3.0 Community —

Roaming

Roaming relies on ID Registration Offices (IDRO) that assign and publish the operator (CPO) and provider (eMSP) identifiers exchanged over OCPI.

Roaming platforms (hubs) that interconnect CPOs and eMSPs, by founding year:

OICP (Open InterCharge Protocol)

The Open InterCharge Protocol (OICP) is another protocol for roaming, developed by Hubject.

eMIP (eMobility Protocol Inter-Operation)

The eMobility Protocol Inter-Operation (eMIP) is a roaming protocol developed by Gireve.

eMI³ (eMobility ICT Interoperability)

eMI³ (eMobility ICT Interoperability) was a European initiative for e-mobility interoperability.

NeMo (Hyper-Network for electroMobility)

NeMo (Hyper-Network for electroMobility) was a European Horizon 2020 project (2016–2019) that defined a common information model and an open inter-roaming protocol to connect e-mobility platforms.

Eichrecht

Eichrecht is a German law for calibration and verification of measuring instruments, which applies to EV charging.

OIOI (discontinued)

Tools and Resources

This list features actively maintained, curated projects. Dormant, archived, or not-yet-reviewed projects are collected separately in legacy-projects.md. Charging Station Management Systems — source-available and commercial, with their OCA certificates, OCPP versions and API availability — are catalogued in csms.md.

OCPP

Server

  • steve-community/steve - SteVe is a Java-based charging station management system that administers charge points, users, and RFID authentication through OCPP (OCPP 1.2, 1.5, 1.6 · Java · ⭐ 1148).
  • dallmann-consulting/OCPP.Core - OCPP.Core is a .NET-based OCPP server with a web interface for managing charge points, connectors, transactions, and charging tokens (OCPP 1.6, 2.0, 2.1 · C# · ⭐ 309).
  • citrineos/citrineos-core - CitrineOS is a TypeScript-based modular server runtime and operator interface for managing EV charging infrastructure via OCPP 1.6 and 2.0.1 (OCPP 1.6, 2.0.1, 2.1 · TypeScript · ⭐ 308).
  • EVtivity/evtivity-csms - EVtivity is a charging station management system implementing OCPP, OCPI roaming, ISO 15118 Plug and Charge, operator APIs, and web interfaces for operators and drivers (OCPP 1.6, 2.0.1, 2.1 · TypeScript · ⭐ 34).
  • apostoldevel/ocpp-cs - A C++20 central system and charge point emulator supporting OCPP 1.5, 1.6, and 2.0.1 (OCPP 1.5, 1.6, 2.0.1 · C++ · ⭐ 80).
  • yuncitys/charging-cloud-web - Open-source enterprise-level charging station management system (CSMS) supporting OCPP 1.5, 1.6J, and 2.0J protocols for electric vehicles and e-bikes, built with Spring Cloud microservices and Vue.js frontend (OCPP 1.6, 2.0 · Vue · ⭐ 27).
  • gertjana/ocpp-backend - An Elixir backend implementing OCPP 1.6 and limited OCPP 2.0 support for connecting to and managing EV chargers (OCPP 1.6, 2.0 · Elixir · ⭐ 23).
  • srcfl/ftw - FTW is a local-first home energy management system that coordinates solar generation, batteries, grid power, EV charging, and thermal assets on Raspberry Pi or Linux (OCPP 1.6, 2.0.1 · Go · ⭐ 23).
  • vampirebyte/rabbitmq-web-ocpp - A RabbitMQ plugin that accepts OCPP 1.6J and 2.x messages over WebSockets and translates them into AMQP messages (Erlang · ⭐ 19).
  • savekar-ev/OCPP-1.6-Charging-Point-Management-System - An open-source full-stack Charge Point Management System that manages EV chargers using OCPP 1.6 JSON (OCPP 1.6 · TypeScript · ⭐ 17).
  • joulo-nl/joulo-ocpp-proxy - Joulo-ocpp-proxy is a Node.js/TypeScript WebSocket proxy that forwards OCPP traffic between EV chargers and a primary CSMS while optionally mirroring charger messages to secondary CSMS backends (OCPP 1.6, 2.0, 2.0.1 · TypeScript · ⭐ 15).
  • gyzod/ocpp2mqtt - A Python gateway that converts OCPP 1.6 messages to MQTT and MQTT messages to OCPP for integrating EV charging stations with automation systems (OCPP 1.6 · Python · ⭐ 11).
  • OpenChargingCloud/CSMSCLI - A C#/.NET Charging Station Management System that manages charging stations and operates as an OCPI charge point operator (OCPP 1.6, 2.1 · C# · ⭐ 9).
  • davbauer/ocpp-manager - OCPP Manager is an open-source platform for monitoring and managing EV charging stations, RFID authorizations, and charging transactions through a web interface (TypeScript · ⭐ 8).
  • SolarNetwork/solarnetwork-central - SolarNet is a cloud platform that manages SolarNetwork accounts and nodes, accepts SolarNode data, and exposes REST APIs for accessing it (Java · ⭐ 7).
  • unified-error-codes/csds - UEC Software Stack provides charging-station diagnostics through unified error codes and telemetry, with a backend, web dashboard, and EVSE agent communicating via OCPP (Python · ⭐ 7).
  • Beep-Technologies/esteban-ocpp - Esteban-OCPP is a Golang OCPP server providing charge-point, user, transaction, and REST administration functions (OCPP 2.0 · Go · ⭐ 5).
  • parklapp/steve-pluggable - SteVe is a Java-based OCPP server for managing electric vehicle charging stations, users, RFID cards, and related operations (OCPP 1.2, 1.5, 1.6 · Java · ⭐ 4).
  • juherr/evolve - EVolve is a Java implementation of an OCPP server for electric vehicle charging systems (Java · ⭐ 4).
  • evlinked/ocpp-rs - A Rust implementation of OCPP 1.6J and partially OCPP 2.0.1 providing a CSMS server, charge point simulator, conformance tests, and observability (OCPP 1.6, 2.0.1 · Rust · ⭐ 4).
  • erik73/app-steve - A Home Assistant add-on that runs the SteVe OCPP server to communicate with charge points (Dockerfile · ⭐ 3).
  • eliodecolli/Medinilla - Medinilla is an ASP.NET Core backend implementing OCPP functionality for managing electric vehicle charging stations (OCPP 2.0.1 · C# · ⭐ 3).
  • eveys-mobility/OCPP - A Python-based OCPP 1.6/2.0.1 gateway that manages EV charger WebSocket connections and exposes REST, gRPC, Kafka, and webhook interfaces (OCPP 1.6, 2.0.1 · Python · ⭐ 3).
  • elton-saraci/ocpp-central-system - An open-source Java backend that manages EV charging stations through OCPP 1.6 over WebSockets and provides REST APIs for monitoring and control (OCPP 1.6 · Java · ⭐ 3).
  • mohsinali33226/ocpp-charging-operations-lab - An OCPP 1.6 system that simulates charging stations and provides a CSMS for monitoring, remote operations, smart charging, and failure recovery (OCPP 1.6, 2.0.1 · HTML · ⭐ 2).
  • wimhaanstra/virtual-ocpp - Virtual OCPP is a self-hosted OCPP 1.6J service that connects Smart EVSE chargers to a local CSMS, records charging activity, proxies selected traffic, and provides monitoring dashboards (OCPP 1.6 · TypeScript · ⭐ 2).
  • zeloscloud/zelos-extension-ocpp - An OCPP server extension for the Zelos App that collects real-time meter data from charge points and monitors fleet health (OCPP 1.6, 2.0.1 · Python · ⭐ 1).
  • LastProject-ESIEE/OCPPConfigurationServer - A Spring Boot web application implementing an OCPP websocket server for configuring and managing charge points (Java · ⭐ 1).
  • alexeimoisseev/ocpp-server-typescript - A TypeScript WebSocket server that supports core OCPP 1.6J and 2.0.1 charging operations for testing and learning (OCPP 1.6, 2.0.1 · TypeScript · ⭐ 1).
  • amolsurjuse/ocpp-service - A Spring Boot microservice that manages OCPP WebSocket connections to electric vehicle charging stations and routes charging commands and messages (OCPP 2.0.1 · Java · ⭐ 1).
  • codetics-software/ev-server-lite - A Spring Boot-based EV charging supervision server implementing OCPP 1.6 and OCPI 2.1.1 with a Next.js dashboard for charging management, sessions, and payment (OCPP 1.6 · Kotlin · ⭐ 1).
  • juherr/steve-ocpp-csms-image - A community-maintained project that builds ready-to-run Docker images for the SteVe open-source OCPP Central System (Shell · ⭐ 1).
  • citrineos/citrineos - CitrineOS is an open-source charging station management system implementing OCPP 1.6 and 2.x for communication between charging stations and charge management software (OCPP 1.6, 2.0.1 · ⭐ 158).

Simulator

  • SAP/e-mobility-charging-stations-simulator - A Node.js application that simulates and scales charging stations using the OCPP-J protocol (OCPP 1.6, 2.0, 2.0.1 · TypeScript · ⭐ 232).
  • monta-app/ocpp-emulator - An open-source Kotlin Multiplatform desktop application that emulates OCPP 1.6 and 2.0.1 charge points for testing and local development (OCPP 1.6, 2.0.1 · Kotlin · ⭐ 182).
  • ozgurbayram/OCPPSimulator - A web-based simulator that emulates OCPP charge points to test communication with charge station management systems (OCPP 1.6 · TypeScript · ⭐ 35).
  • solidstudiosh/ocpp-virtual-charge-point - A configurable, terminal-based OCPP charging station simulator written in Node.js with support for OCPP versions 1.2, 1.6, 2.0.1, and 2.1, featuring schema validation and multi-connector configuration (OCPP 1.2, 1.6, 2.0.1 · TypeScript · ⭐ 122).
  • shiv3/ocpp-cp-simulator - An OCPP charge point simulator with browser, CLI, and control APIs for testing AI agents, CI workflows, and CSMS implementations (OCPP 1.2, 1.5, 1.6, 2.0.1, 2.1 · TypeScript · ⭐ 47).
  • OpenChargingCloud/ChargingStationApp - An Electron-based virtual charging station that implements OCPP versions 1.6, 2.0.1, and 2.1 for testing and certification (OCPP 1.6, 2.0.1, 2.1 · TypeScript · ⭐ 42).
  • virta-ltd/charge-device-simulator - A Python-based collection of EV charging device simulators supporting protocols such as OCPP and Ensto (Python · ⭐ 21).
  • road-labs/chargestation-one - A browser-based charging station simulator supporting OCPP 1.6 and OCPP 2.0.1, including OCMF meter-data signing (OCPP 1.6, 2.0.1, 2.1 · Less · ⭐ 18).
  • c-jimenez/open-ocpp-simu - A charge point simulation environment that uses Open OCPP to simulate charge points communicating with an OCPP central system and MQTT to coordinate its components (C++ · ⭐ 16).
  • tzi-app/tzi-OCTT - A Python pytest test suite implementing OCTT scenarios to verify CSMS implementations against OCPP 2.0.1 and OCPP 1.6J using mock charge points and a minimal CSMS (OCPP 1.6, 2.0.1 · Python · ⭐ 11).
  • kwtycoon/kilowatt-tycoon - Kilowatt Tycoon is a Rust/Bevy tycoon game and full-stack EV charging network simulator that models grid operations, charger faults, and OCPP, OCPI, and OpenADR data flows (OCPP 1.6 · Rust · ⭐ 7).
  • PlugSecure-Inc/ocpp-simulator-lab - An end-to-end testing tool that simulates OCPP charge points and charge point management systems through a web interface (OCPP 1.6, 2.0.1, 2.1 · Python · ⭐ 6).
  • ZhongRuoyu/ocppsim - A terminal-based OCPP-J charge point simulator written in Rust that connects to a CSMS over WebSocket for protocol testing and development (OCPP 1.6, 2.0.1, 2.1 · Rust · ⭐ 5).
  • elton-saraci/ocpp-charge-point-simulator - A Java-based OCPP 1.6 charge point simulator that manages multiple charge points through a REST API and web console (OCPP 1.6 · Java · ⭐ 5).
  • vfg27/EmuOCPP - EmuOCPP is a Mininet/IPMininet-based emulator for testing OCPP 1.6, 2.0, and 2.0.1 communications between charging stations and central management systems (OCPP 1.6, 2.0, 2.0.1 · Python · ⭐ 5).
  • flowionab/charge-point-simulator - Flowion Charge Point Simulator emulates EV charge points using OCPP for testing and validating charging infrastructure and CSMS software (OCPP 1.6, 2.0.1, 2.1 · Rust · ⭐ 4).
  • ReliON-Charging/everest-dcfc - A multi-architecture container that simulates an EVerest-based DC fast charger with configurable connectors and OCPP versions for testing (OCPP 1.6, 2.0.1, 2.1 · C++ · ⭐ 4).
  • road-labs/ocpp-trace-replayer - A command-line tool that replays Open OCPP Trace files against OCPP backends, with support for multiple OCPP versions and message rewrites (OCPP 1.5, 1.6, 2.0.1, 2.1 · Go · ⭐ 3).
  • wirelane/ocpp-client-simulator - A Node.js command-line simulator of an OCPP 1.6 charging station that connects to OCPP servers and supports configurable charging scenarios and signed meter values (OCPP 1.6 · JavaScript · ⭐ 3).
  • hlsxx/ocpp-charge-point-simulator - A Rust CLI that simulates OCPP 1.6 charge points for testing and load-testing OCPP backends (OCPP 1.6, 2.0.1, 2.1 · Rust · ⭐ 2).
  • I-Love-OCPP/Charge-Point-Simulator - A React and TypeScript web application for simulating an electric vehicle charge point (TypeScript · ⭐ 1).

Libraries

C
  • tux-evse/afb-ocpp-ext - An AFB microservice extension that provides OCPP 1.6 and 2.0.1 client connectivity (OCPP 1.6, 2.0.1 · ⭐ 2).
C#
  • OpenChargingCloud/WWCP_OCPP - A software library for building OCPP v1.6, v2.0.1, and v2.1 services and gateways connecting OCPP systems with WWCP (OCPP 1.5, 1.6, 2.0.1, 2.1 · ⭐ 71).
C++
  • c-jimenez/open-ocpp - Open-source C++ library implementing the WebSocket/JSON versions of OCPP 1.6 and 2.0.1 (OCPP 1.6, 2.0.1 · ⭐ 174).
  • matth-x/MicroOcpp - C/C++ OCPP 1.6 / 2.0.1 client library for microcontroller-based EV charging equipment, supporting Espressif, Arduino, NXP, STM, Linux and other platforms (OCPP 1.6, 2.0.1 · ⭐ 547).
  • Tinkerforge/tfocpp - A C++ library implementing OCPP 1.6J Core and Smart Charging profiles for integration into EV charger firmware (OCPP 1.6 · ⭐ 4).
Go
  • aliml92/ocpp - A Go library implementing the JSON-based Open Charge Point Protocol (OCPP) versions 1.6 and 2.0.1 for charge point clients and central systems (OCPP 1.6, 2.0.1 · ⭐ 27).
  • ChargePi/ocpp-manager - A Go library for managing and validating OCPP charging-station configuration variables, including versioned and mandatory keys (OCPP 1.6, 2.0.1 · ⭐ 6).
  • shiv3/gocpp - Gocpp is a Go library implementing OCPP 1.6, 2.0.1, and 2.1 for typed CSMS and charge-point communication with JSON-schema validation (OCPP 1.6, 2.0.1, 2.1 · ⭐ 5).
  • road-labs/ocppj-go - A Go library implementing OCPP-J communication over WebSockets for client and server applications (OCPP 1.6, 2.0.1 · ⭐ 4).
  • road-labs/ocpp-types-go - A Go library providing strongly typed message definitions and routing helpers for OCPP versions 1.5, 1.6, 2.0.1, and 2.1 (OCPP 1.5, 1.6, 2.0.1, 2.1 · ⭐ 3).
  • aasanchez/ocpp16messages - A Go library that defines and validates OCPP 1.6 request and response message types for EV charging systems (OCPP 1.6 · ⭐ 2).
Java
  • ChargeTimeEU/Java-OCA-OCPP - Java library implementing OCPP client and server functionality for OCPP 1.6, 2.0.1, and 2.1 using JSON and SOAP transports (OCPP 1.6, 2.0.1, 2.1 · ⭐ 380).
JavaScript
  • mikuso/ocpp-rpc - A Node.js client and server library implementing OCPP-J RPC over WebSockets for OCPP 1.6J, 2.0.1J, and 2.1 (OCPP 1.6, 2.0.1, 2.1 · ⭐ 136).
  • argonne-vci/node-red-contrib-ocpp - Node-RED nodes for communicating with EVSE charge points and central systems using OCPP 1.5 and 1.6 over SOAP and JSON (OCPP 1.5, 1.6 · ⭐ 37).
  • ampeco/cpd-ocpp - A JavaScript library implementing and validating OCPP 1.6 JSON communication between charging stations and central systems (OCPP 2.0 · ⭐ 3).
  • BSVKey/ocmf-kit - A zero-dependency toolkit that generates and verifies OCMF-signed EV-charging meter readings, tests invalid sessions, and maps them to OCPP signed-meter-value formats (OCPP 2.0.1 · ⭐ 1).
Kotlin
  • monta-app/library-ocpp - A Kotlin library for implementing OCPP 1.6 and OCPP 2.0.1 communication between charge points and servers (OCPP 1.6 · ⭐ 6).
  • IZIVIA/ocpp-toolkit - A Kotlin library implementing the OCPP charging protocol for both charging stations and management systems across versions 1.2–2.0.1 (SOAP and JSON/WebSocket) (OCPP 1.2, 1.5, 1.6, 2.0 · ⭐ 46).
  • I-Love-OCPP/sdk-1.6j - A Kotlin SDK for implementing an OCPP 1.6 JSON Central System (OCPP 1.6 · ⭐ 1).
Python
  • mobilityhouse/ocpp - Python library implementing the Open Charge Point Protocol (OCPP) in JSON format, supporting versions 1.6, 2.0.1, and 2.1 (OCPP 1.6, 2.0.1, 2.1 · ⭐ 1050).
Rust
  • tommymalmqvist/rust-ocpp - A Rust library implementing and validating OCPP versions 1.6, 2.0.1, and work-in-progress 2.1 for EV charging stations (OCPP 1.6, 2.0.1, 2.1 · ⭐ 106).
  • flowionab/ocpp-client - A Rust library implementing the communication layer for OCPP-enabled charge points and CSMS integrations, supporting OCPP 1.6J, 2.0.1, and 2.1 over WebSocket (OCPP 1.6, 2.0.1, 2.1 · ⭐ 8).
  • flowionab/ocpp-charge-point - A Rust framework for developing EV charger firmware with OCPP 1.6J and 2.0.1 support (OCPP 1.6, 2.0.1, 2.1 · ⭐ 7).
  • hupe1980/ocpp-kit - A Rust library providing typed, layered abstractions for OCPP 1.6J, 2.0.1, and 2.1 over JSON/WebSocket, with protocol framing, a sans-I/O engine, transport layer, and optional higher-level domains for charging stations and CSMS backends (OCPP 1.6, 2.0.1, 2.1 · ⭐ 4).
TypeScript
  • voltbras/ts-ocpp - A TypeScript library implementing OCPP central system and charge point communication for OCPP-JSON 1.6 and OCPP-SOAP 1.5 (⭐ 48).
  • jacoscaz/typed-ocpp - A TypeScript library for type-aware validation of OCPP 1.6, 2.0.1, and 2.1 messages using the Open Charge Alliance’s JSON Schemas (OCPP 1.6, 2.0, 2.1 · ⭐ 11).
  • connected-hil/ocpp-tools - A TypeScript library providing OCPP 1.6 and 2.0.1 message types, parsers, schemas, and validation utilities (OCPP 1.6, 2.0.1, 2.1 · ⭐ 8).
  • ocpp-debugkit/toolkit - OCPP DebugKit is an open-source developer toolkit for inspecting, analyzing, replaying, testing, and reporting OCPP charging-session traces locally (⭐ 7).
  • ocpptools/ocpptools - Open-source TypeScript monorepo providing OCPP 1.6J and 2.0.1 libraries for frame parsing, validation, schema-driven simulation, and message construction (OCPP 1.6, 2.0.1 · ⭐ 1).

Misc

  • lbbrhzn/ocpp - A Home Assistant integration for controlling and monitoring electric vehicle chargers using OCPP 1.6J, 2.0.1, and experimental 2.1 (Python · ⭐ 413).
  • EVerest/EVerest - EVerest is a modular open-source full-stack framework for building EV charging systems with support for OCPP 1.6/2.0/2.1 and ISO 15118-2/3/20 protocols (OCPP 1.6, 2.0.1, 2.1 · C++ · ⭐ 293).
  • evcc-io/evcc - Evcc is a local EV charge controller and home energy management system that coordinates charging with chargers, meters, solar, batteries, and other energy devices (Go · ⭐ 7539).
  • OpenEVSE/openevse_esp32_firmware - OpenEVSE ESP32 firmware that provides a WiFi gateway, web interface, energy-management features, and integrations for an OpenEVSE charger (OCPP 1.6 · C · ⭐ 283).
  • SmartEVSE/SmartEVSE-3 - Open source EVSE (Electric Vehicle Supply Equipment) controller with OCPP 1.6j support, smart charging capabilities, and multi-module power sharing (OCPP 1.6 · C · ⭐ 238).
  • ChargeLab/OpenOCPP - Multi-platform OCPP 1.6/2.0.1 embedded firmware for electric vehicle charging stations (OCPP 1.6, 2.0.1 · C++ · ⭐ 91).
  • ChargePi/ChargePi-go - ChargePi is a Linux-based framework for building and managing EV charging stations, with hardware abstraction, OCPP 1.6 support, a management UI, and an API (OCPP 1.6, 2.0.1, 2.1 · Go · ⭐ 54).
  • nader0913/ocpp-rag - MCP server providing semantic search and retrieval of OCPP 1.6, OCPP 2.0.1, and ISO 15118 Plug & Charge specifications, use cases, and documentation (OCPP 1.6, 2.0.1 · Python · ⭐ 53).
  • alexeimoisseev/ocpp.md - A structured reference and documentation repository for developing with OCPP 2.1, 2.0.1, and 1.6J (OCPP 1.6, 2.0.1, 2.1 · Python · ⭐ 31).
  • ocpp-balanz/ocpp-2w-proxy - An OCPP proxy that forwards charger messages between the charger and primary and secondary central systems (Python · ⭐ 18).
  • appspace/kwwhat - Kwwhat is a dbt-based open-source data pipeline that transforms raw OCPP charging logs into structured analytics models for charger reliability and utilization metrics (OCPP 1.6, 2.0.1, 2.1 · ⭐ 15).
  • vfg27/CheckOCPP - CheckOCPP is a Wireshark dissector that detects OCPP versions, validates message structures, and flags non-compliant unencrypted packets (OCPP 1.6, 2.0, 2.0.1 · Lua · ⭐ 13).
  • chargex-consortium/ev-charge-seq-state - A collection of UML sequence diagrams and finite-state-machine models describing SAE J1772 PWM, ISO 15118 HLC, and OCPP charging workflows (OCPP 1.6, 2.0.1, 2.1 · ⭐ 8).
  • michael-adler/ha-ocpp-relay - Home Assistant integration that relays OCPP communication between EV chargers and remote management servers while exposing OCPP traffic as Home Assistant sensors (Python · ⭐ 7).
  • juherr/open-ocpp-tck - Open-ocpp-tck is an open-source test harness for OCPP 1.6 and 2.0.1 CSMS conformance testing that drives a charge-point simulator and verifies OCPP wire messages (OCPP 1.6, 2.0.1 · TypeScript · ⭐ 6).
  • ChargePi/chargeflow - ChargeFlow is a CLI tool that validates OCPP 1.6, 2.0.1, and 2.1 JSON messages against schemas and checks OCMF-compatible meter values (OCPP 1.6, 2.0.1, 2.1 · Go · ⭐ 4).
  • ocpp-debugkit/studio - A native Zig desktop application and CLI for capturing, decoding, analyzing, and replaying OCPP 1.6J charging-session traces, including live WebSocket proxying between charge points and CSMS backends (OCPP 1.6 · Zig · ⭐ 4).
  • open-ocpp-trace/specification - An implementation-independent JSON/JSONL specification for recording, validating, and exchanging OCPP message traces (JavaScript · ⭐ 4).
  • sepehr-safari/ocpp-handbook - A vendor-neutral, comprehensive course on EV charging protocols (OCPP, OCPI, ISO 15118), industry context, hardware, and practical debugging techniques for software engineers (OCPP 1.6, 2.0.1 · JavaScript · ⭐ 3).
  • eliodecolli/ocpp-test-cases - A repository of AI-generated test cases for the base implementation of OCPP 2.0.1 (OCPP 2.0.1 · Python · ⭐ 1).
  • OpenChargingTechnology/OCPP-SBOM - Formal SBOM (CycloneDX and SPDX) representations of OCPP specification bundles for supply-chain transparency and reproducibility (OCPP 2.1 · ⭐ 1).

OCPI

Server

  • citrineos/citrineos-ocpi - A set of modules that adds OCPI 2.2.1 CPO functionality to CitrineOS Core (OCPI 2.2.1 · TypeScript · ⭐ 23).
  • olisystems/ocn-node-v2 - A Kotlin and Spring Boot service that brokers OCPI traffic between parties and integrates with the Open Charging Network Registry (OCPI 2.2 · Kotlin · ⭐ 1).

Simulator

  • savekar-ev/OCPI-2.2.1-EMSP-Simulator - A Python simulator of an OCPI 2.2.1 EMSP used to validate CPO implementations, credentials exchanges, and schema compliance (OCPI 2.2.1 · Python · ⭐ 10).
  • rally-finance/ocpi-mock-hub - A Go-based mock OCPI 2.2.1 hub server that simulates charging-network interactions for integration development and testing (OCPI 2.2.1 · Go · ⭐ 5).

Libraries

C#
  • OpenChargingCloud/WWCP_OCPI - A software implementation that enables communication between WWCP entities and OCPI-compliant entities across OCPI versions 2.1.1, 2.2.1, 2.3.0, and 3.0 (OCPI 2.0, 2.1, 2.1.1, 2.2, 2.2.1, 2.3.0 · ⭐ 29).
  • BitzArt/OCPI.Net - OCPI.Net is a C#/.NET implementation of the OCPI protocol for EV charging and roaming (⭐ 27).
Java
  • steve-community/ocpi-models - A Java library providing OCPI 2.2.1 data models, Spring MVC API mappings, and REST clients (OCPI 2.2.1 · ⭐ 3).
Kotlin
  • IZIVIA/ocpi-toolkit - A Kotlin library that implements OCPI 2.2.1 business logic, validation, data models, and transport interfaces for CPO and eMSP integrations (OCPI 2.2.1 · ⭐ 38).
PHP
  • mrbig/ocpi-protocol - A PHP library for handling OCPI v2.2.1 requests, responses, models, validation, and client/server interfaces (OCPI 2.2.1 · ⭐ 2).
Python
  • TECHS-Technological-Solutions/ocpi - A Python library that implements the Open Charge Point Interface (OCPI) for communicating with central systems (⭐ 64).
  • elumobility/ocpi-python - A Python library implementing the OCPI protocol with FastAPI and Pydantic, supporting versions 2.3.0, 2.2.1, and 2.1.1 (OCPI 2.1.1, 2.2.1, 2.3.0 · ⭐ 8).
  • evorada/ocpi-types - Auto-generated type definitions for the OCPI protocol in Go, Python, Rust, and TypeScript (OCPI 2.3.0 · ⭐ 5).
Rust
  • evlinked/ocpi-rs - A Rust implementation of the OCPI protocol providing typed models, an asynchronous client, server handlers, and a validation CLI (OCPI 2.0, 2.1.1, 2.2.1, 2.3.0 · ⭐ 4).
  • hupe1980/ocpi-kit - A Rust toolkit that implements OCPI versions 2.1.1–2.3.0 with data models, protocol translation, client and server components, roaming-hub support, tariff auditing, and a CLI (OCPI 2.1.1, 2.2.1, 2.3.0 · ⭐ 1).
TypeScript
  • ocpi/ocpi-tool - A command-line tool that exports filtered charging data from OCPI platforms for use in external data-processing pipelines (OCPI 2.2.1 · ⭐ 33).
  • solidstudiosh/ocpi-schema - A Node.js tool that generates JSON Schemas for OCPI 2.1.1 and later (⭐ 20).
  • shiv3/gocpi - Gocpi is a Go library implementing OCPI versions 2.1.1, 2.2.1, and 2.3.0 with typed clients, server handlers, generated models, validation, and pricing utilities for EV-charging roaming (OCPI 2.1.1, 2.2.1, 2.3.0 · ⭐ 2).
Other
  • tandemdrive/ocpi-tariffs - A project for calculating tariffs defined by the Open Charge Point Interface (OCPI) (⭐ 40).

Misc

  • Quentin-BACQUET/GIREVE_Tech_OCPI_V2.2.1 - A GIREVE implementation guide for integrating with the OCPI 2.2.1 interface (OCPI 2.2.1 · ⭐ 2).
  • OpenChargingCloud/OCPIExplorerDesktopApp - An Electron desktop application for testing and certifying OCPI implementations and vendor extensions across multiple OCPI versions (OCPI 2.1, 2.1.1, 2.2, 2.2.1, 2.3.0 · TypeScript · ⭐ 5).
  • Quentin-BACQUET/GIREVE_Tech_OCPI_V2.1.1 - An implementation guide documenting GIREVE’s OCPI 2.1.1 interface, including CPO/eMSP integration rules and Eichrecht signed-data handling (OCPI 2.1.1 · ⭐ 5).
  • OpenChargingCloud/OCPIExplorerWebApp - A web application for exploring, testing, and certifying OCPI implementations and vendor extensions across multiple OCPI versions (OCPI 2.1, 2.1.1, 2.2.1, 2.3.0 · TypeScript · ⭐ 2).
  • juherr/ocpi-fyi - A versioned documentation site for OCPI specifications and related API reference material (OCPI 2.1.1, 2.2.1, 2.3.0 · JavaScript · ⭐ 2).
  • olisystems/ocn-registry-v2.0 - OCN Registry 2.0 provides Ethereum-based smart contracts and a CLI for registering Open Charging Network nodes, OCPI parties, and service providers (TypeScript · ⭐ 1).

iso15118

Plug&Charge

  • securityinmobility/dc-charging-station - Software stack for a bidirectional DC charging station implementing ISO 15118 V2G communication and Plug&Charge support with hardware abstraction for power delivery control (Python · ⭐ 10).
  • hubject/opcp - Open Plug&Charge Protocol (OPCP) provides specifications and documentation for exchanging, signing, and managing ISO 15118-related Plug&Charge certificates and services (JavaScript · ⭐ 73).

Libraries

C++
  • dspace-group/dsV2Gshark - A Wireshark plugin that decodes and analyzes ISO 15118, DIN 70121, and related electric vehicle charging communication packets (⭐ 113).
Java
  • SwitchEV/RISE-V2G - RISE V2G is an open-source reference implementation of the ISO 15118 communication interface between electric vehicles and charging stations (⭐ 261).
Python
  • uhi22/pyPLC - A Python project for sniffing and implementing CCS powerline communication between electric vehicles and charging equipment (⭐ 238).
  • ecog-io/iso15118 - A Python implementation of the ISO 15118-2 and ISO 15118-20 communication protocols (⭐ 248).
  • Sevenstax/FreeV2G - FreeV2G is a Python host application that controls 8devices WHITE-beet modules for ISO 15118 and DIN 70121 communication between electric vehicles and charging equipment (⭐ 71).
  • ecog-io/pyslac - A Python implementation of the SLAC protocol specified in ISO 15118-3 for managing EVSE matching sessions over a network interface (⭐ 56).
  • zeloscloud/zelos-extension-v2g - A Zelos extension that decodes ISO 15118, DIN 70121, and SocketCAN traffic from captures or live traffic into queryable traces (⭐ 1).
Rust
  • hupe1980/iso15118 - A pure Rust implementation of the ISO 15118 vehicle-to-grid communication protocol providing EXI codecs, session engines, message handling, SLAC discovery, and Plug & Charge profiles for both charging station and vehicle roles (⭐ 2).

Misc

  • SukritJaAIproject/EV_Charger_Fault_Detection_AI - Windows application for AI-based fault detection in DC EV charger sessions from ISO 15118-2 / DIN 70121 packet captures, benchmarked on a 212-station fleet (Python · ⭐ 2).
  • uhi22/ccs32clara - Ccs32clara is STM32 software using a QCA7005 modem to control CCS charging communication and related vehicle charging hardware (C · ⭐ 115).

Eichrecht

Libraries

TypeScript
  • road-labs/ocmf-js - TypeScript/JavaScript library that implements signing and verification of OCMF (Open Charge Metering Format) signed meter data (⭐ 3).
  • OpenChargingCloud/ChargyCore.TS - A TypeScript library that validates transparent, cryptographically-signed EV charging meter data according to German Eichrecht calibration law (⭐ 2).

Misc

Other

Analytics & data

  • openchargemap/ocm-system - Open Charge Map is an open registry and API for crowdsourced electric vehicle charging-location data, supporting websites, apps, research, and analysis (C# · ⭐ 151).
  • open-ev-data/open-ev-data-dataset - OpenEV Data is a versioned, community-maintained dataset of electric vehicle specifications compiled from layered JSON fragments into canonical records (JavaScript · ⭐ 32).
  • vbalagovic/cars-dataset - A dataset and API providing specifications for cars, trucks, motorcycles, and market price listings (⭐ 28).
  • robeertm/ev-charge-tracker - Self-hosted web dashboard for tracking electric vehicle charges, costs, CO2 emissions, and battery health across multiple vehicle manufacturer APIs (Python · ⭐ 13).
  • gaia-charge/evdb - An open database of electric vehicles containing specifications, market availability, and related data with query and visualization tools (Python · ⭐ 11).
  • MTES-MCT/qualicharge - QualiCharge provides an API, dashboard, and analysis tools for evaluating electric vehicle charging service quality from supervision data (Python · ⭐ 10).
  • Jungle-Bus/ref-EU-EVSE - A data-processing project that consolidates and validates French open data on EV charging stations for integration into OpenStreetMap (Python · ⭐ 4).
  • juherr/open-idro-directory - Open directory that aggregates, validates, and publishes e-mobility identifiers from official national and regional registries with provenance and API access (TypeScript · ⭐ 3).
  • chaser-d/Green_Smart_Grid_Simulator - A DuckDB and dbt pipeline that ingests, validates, transforms, and aggregates telemetry from solar, wind, and hydroelectric assets into financial reporting marts (HTML · ⭐ 3).
  • rajvvv/EV-Infra-Planner - A geospatial dashboard forecasts EV adoption and identifies charger deployment gaps across major Indian cities (JavaScript · ⭐ 3).
  • scroodge/VoltFlow - VoltFlow is a mobile-first PWA for tracking EV charging sessions, vehicle telemetry, trips, maintenance records, and related analytics (TypeScript · ⭐ 3).
  • GuillaumeBraillon/EV-Charge-Tracker - A personal web PWA that records, analyzes, and estimates EV charging costs using real charging data, tariffs, subscriptions, and Home Assistant/N8N imports (TypeScript · ⭐ 1).
  • roy429-hub/buima-tracker - Buima Tracker is a web dashboard that parses EV-charging site reports and displays installation data, revenue, profit, KPIs, and charging sessions (JavaScript · ⭐ 1).
  • openchargemap/ocm-export - A tool that exports Open Charge Map point-of-interest data into separate JSON files for each charging location (JavaScript · ⭐ 47).

Battery

  • dalathegreat/Battery-Emulator - Battery-Emulator translates between supported EV battery packs and home or solar inverters so the packs can be used as stationary energy storage (C++ · ⭐ 3016).
  • mnh-jansson/open-battery-information - Open Battery Information provides Arduino firmware and a web-based tool for reading battery-management-system data to support battery repair (C++ · ⭐ 1829).
  • remontsuri/EV-QA-Framework - A Python framework for validating EV battery telemetry, detecting anomalies, predicting state of health, simulating CAN networks and battery behavior, and exposing monitoring metrics (Python · ⭐ 9).

Charging management system

  • flobz/psa_car_controller - A Python application that remotely monitors and controls PSA electric vehicles through the connected_car v4 API, including charging, climate, and trip data (Python · ⭐ 607).
  • artmakerzbr/ev-tracker - A web app for recording EV charging sessions and calculating charges owed to a condominium (JavaScript · ⭐ 1).

Developer tools & libraries

  • tillsteinbach/CarConnectivity - CarConnectivity is a Python API for retrieving telemetry and other data from vehicle services across multiple car brands (Python · ⭐ 216).
  • juherr/mobilityid - A multi-language monorepo providing implementations for parsing and handling mobility and EVSE identifiers (PHP · ⭐ 2).
  • ChargePi/openev-data-mcp - An MCP server that provides AI assistants with query and semantic-search access to electric vehicle specifications from the open-ev-data dataset (PLpgSQL · ⭐ 1).
  • ducminhquan/datex2-ts - A TypeScript data model and runtime conversion/validation library for DATEX II v3 JSON (TypeScript · ⭐ 1).
  • xBlaz3kx/evcc-helm-chart - Helm chart for deploying EVCC, an open-source EV charging controller, on Kubernetes with SQLite database backup support (Go Template · ⭐ 0).

EVSE firmware

  • dzurikmiroslav/esp32-evse - ESP32-based J1772 EVSE firmware with configurable hardware support, web management, energy metering, scheduling, and OTA updates (C · ⭐ 151).
  • bastoon577-lang/Viridian_SmartCharger - Custom firmware for ESP01/Viridian-based EV charger that adapts charging power in real-time based on Linky smart meter data to manage grid load (C++ · ⭐ 1).

Energy management

  • OpenEMS/openems - OpenEMS is a modular platform for monitoring and controlling energy storage, renewable generation, electric vehicle charging stations, heat pumps, and other energy devices (Java · ⭐ 1617).

Home automation

  • marq24/ha-evcc - An unofficial Home Assistant integration that connects to evcc to monitor and control EV charging and photovoltaic-based charging settings (Python · ⭐ 501).
  • andreadegiovine/homeassistant-stellantis-vehicles - A Home Assistant integration that connects to Stellantis vehicle APIs to monitor vehicle status and control supported remote functions (Python · ⭐ 297).
  • leeyuentuen/alfen_wallbox - A custom Home Assistant component for monitoring and controlling Alfen wallboxes (Python · ⭐ 104).
  • Pulpyyyy/carconnectivity-addon - A Home Assistant add-on that packages CarConnectivity to retrieve vehicle data from compatible manufacturers’ online services (JavaScript · ⭐ 80).
  • lachand/EV_charger - A Home Assistant integration that locally monitors and controls Tuya EV chargers over a LAN connection (Python · ⭐ 42).
  • tamcore/stelloauth - Stelloauth is a self-hosted web service that automates Stellantis vehicle OAuth authentication for the Home Assistant integration (Go · ⭐ 16).
  • SCiunczyk/wallbox-diy - An ESP32-based Wi-Fi Modbus proxy and Home Assistant configuration for monitoring and controlling a DIY electric vehicle wallbox (⭐ 5).
  • wimhaanstra/com.sortedbits.smartevse - A Homey app that connects to Smart EVSE-3 chargers through MQTT to monitor and control charging locally (TypeScript · ⭐ 1).

Maps & route planning

  • GeiserX/Pumperly - An open-source route planner combining live fuel prices from 22 countries and EV charging station data with detour-aware corridor filtering (TypeScript · ⭐ 45).

Mobile app

  • ev-map/EVMap - EVMap is an open-source Android app that displays electric vehicle charging stations, availability, search, filtering, and navigation-map data from community databases (Kotlin · ⭐ 283).
  • powerly-ev/open-ev-charge-android-app - White-label Android application template for discovering and managing EV charging sessions with peer-to-peer charger sharing and OCPP/OCPI backend integration (Kotlin · ⭐ 9).
  • EVtivity/evtivity-mobile-app - A white-label iOS and Android mobile app for EV drivers using the EVtivity charging platform (TypeScript · ⭐ 6).

Other protocols

  • enbility/eebus-go - A Go library for implementing EEBUS use cases, including SHIP and SPINE communication, certificate handling, device discovery, connections, and pairing (Go · ⭐ 123).
  • enbility/ship-go - A Go library implementing the EEBUS SHIP 1.0.1 protocol (Go · ⭐ 19).
  • enbility/spine-go - Spine-go is a Go library implementing the EEBUS SPINE 1.3 protocol (Go · ⭐ 10).
  • hupe1980/openadr - A Rust crate implementing OpenADR 3.1 with VTN and VEN runtimes, a typed client, and conformance-testing tools (Rust · ⭐ 1).
  • juherr/datex4j - Datex4j is a modular Java SDK for parsing, serializing, validating, and converting DATEX II publications across multiple standard versions (Java · ⭐ 0).

Simulators

  • EVtivity/evtivity-ev-tester - An open-source EV-side simulator that emulates AC charging over SAE J1772 to test EVSEs and charging-system backends (C++ · ⭐ 3).

Specifications & documentation

  • chargeprice/chargeprice-api-docs - Documentation for accessing the Chargeprice API, which provides electric-vehicle charging tariffs, stations, companies, and vehicle data (⭐ 43).
  • etalab/schema-irve - A set of data schemas for static, operational, and pricing information about public electric vehicle charging infrastructure (Elixir · ⭐ 13).
  • charinev/unified-error-codes - A draft specification for standardized error codes and diagnostics across the EV charging ecosystem (Python · ⭐ 11).
  • OpenChargingTechnology/Whitepapers - A collection of technical whitepapers and specifications for EV charging infrastructure covering OCPP, OCPI, OICP, ISO 15118, and related cybersecurity and interoperability standards (Python · ⭐ 5).
  • ocpi/openapi-specification - A repository containing an OpenAPI specification (JavaScript · ⭐ 4).
  • unified-error-codes/specification - A CharIN repository containing a draft specification for standardized error codes and diagnostics across the EV charging ecosystem (Python · ⭐ 4).
  • codetics-software/electric-mobility - A guidance and reference collection for AI agents building EV charging infrastructure, with protocol-specific field cards, architecture patterns, security gates, and engineering practices for OCPI, OCPP, and CSMS platforms (Python · ⭐ 1).
  • ChargePi/oecs - OECS is a JSON Schema for describing the hardware, software, payment, pricing, and compliance details of EV charger models (Go · ⭐ 1).

Uncategorized

Contributing

Contributions are welcome! If you know of a tool or resource that is not on the list, please feel free to add it.

The easiest way to contribute is to open an issue using the "Add a link" template.

You can also submit a pull request. Note that the project listing above is generated — descriptions and categories are edited in classifications.csv, not by hand in this file. See CONTRIBUTING.md for the full workflow.

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