Daten · GitHub

Declarative synthetic data for Python. State the facts a dataset must hold (monthly revenue, channel shares, balanced ledgers, foreign keys, state machines) and get multi-table data that holds them exactly, with a DuckDB certificate anyone can rerun. From YAML, SQL DDL or a sentence. CLI and MCP server.

• outcome_curves - a measure's total per period, to the cent - ✓
• rate_curves - the share of rows flagged per period, to the nearest row - ✓

Open-source, self-hosted dbt control plane for data lineage, orchestration, and catalog management. Built for local, on-prem, and air-gapped deployments.

MAC address manufacturer lookup database combining IEEE, Nmap, Wireshark and HDM Mac-Tracker, with downloadable formats and a browser lookup. https://ringmast4r.github.io/OUI-Master-Database/

JSON-native TypeScript ORM for Bun, Browsers, Edge, Node, Workers

Lightweight, fast and reliable key/value storage engine based on Bitcask.

Automated stock screener scanning 3,800+ stocks daily for confirmed Stage 2 uptrends passing 8 strict criteria. Features: smart caching (74% fewer API calls), market regime filtering, automated stop-loss calculation, and GitHub Actions automation. Follows Mark Minervini's Trend Template.

Scriptella is an open source ETL (Extract-Transform-Load) and script execution tool written in Java.

Exploit-Index : The Ultimate CVE Proof of Concept (PoC) & Exploit Database. A zero-API, high-performance aggregator for 0days, vulnerabilities, and Threat Intelligence. Replacing manual searches for elite SOC teams, DevSecOps, and Bug Bounty Hunters.

Fast data transport : Apache Arrow, Protobuf and Message Pack data on the one stream. Measured faster than Arrow Flight on all open benchmarks. HTTP, TCP, QUIC, Websocket, Webtransport, Stdio, UDS, all interchangeable, with 64-byte SIMD compatibilty maintained over the network and to/from disk via custom Arrow Mmap and Parquet Readers and Writers

SQL transformation framework with custom compile-time checks, end-to-end testing and safe renames that keep your table history.

Agentic data engineering built on Pub/Sub for Tables. Discover, publish, transform and consume data as versioned tables with lineage, with an AI agent doing the assembly and the engineer approving.

tidx indexes Tempo chain data into a hybrid PostgreSQL + ClickHouse architecture for fast point lookups (OLTP) and lightning-fast analytics (OLAP).

• Tiered Storage: hot window in PostgreSQL (OLTP), full archive in ClickHouse (OLAP), queried as one
• Event/Function Decoding: Query decoded events or function calldata by ABI signature (no pre-registration)

An open-source, lightweight, and blazing-fast financial machine learning library built with Numba. Process raw trades, generate advanced bars, features, and labels for quantitative research.

• Dual-backend architecture (pandas for development/prototyping, Numba for production)
• SISO, MISO, SIMO, MIMO transform patterns for flexible feature engineering

Automated User-Agent database for 100+ browsers on 100+ operating systems. Updated every 5 minutes via GitHub Actions. Weighted by real-world popularity, grouped by OS and browser, with a cumulative ALL/ folder of unique agents.

• 100+ browsers: Chrome, Firefox, Safari, Edge, Opera, Brave, Vivaldi, Yandex, Tor, and others
• 100+ operating systems: Windows, macOS, Linux, Android, iOS, Chrome OS, BSD, and others

Integration tests for BigQuery SQL, on the real engine and ephemeral datasets: YAML, pytest and any language.

Can we improve the best language for data analytics? Strongly typed, composable, cross-engine SQL. More declarative and expressive, safer, and simpler for humans and agents.

TuringDB high performance in-memory column-oriented graph database engine