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Security · GitHub

Protect systems, find vulnerabilities, and improve privacy.

Useful GitHub projects

3,366 projects
47stars

Open source browser lab to build a simulated infrastructure, watch an attack move through it, and check whether your defense works.

SecurityTypeScriptApache-2.0GitHub

pcybox-orbis

Mister-iks

197stars
pcybox-orbis preview

PCYBOX Orbis - Real-time network traffic visualizer. Force graph, world map, anomaly detection, process attribution. Free Windows app.

  • Force Graph - Live node graph - your machine at the center, every connection as a node
  • World Map - Geolocated IPs with animated arcs on an interactive globe
SecurityJavaScriptGitHub

Security-Books

mizazhaider-ceh

140stars

🛡️ The Ultimate Cybersecurity Library | 160+ curated books, guides & resources covering Ethical Hacking, Penetration Testing, Bug Bounty, Red/Blue Team, OSINT, Malware Analysis, CEH, OSCP, CISSP, CHFI, Network Security, Kali Linux, Web Security & more. Free, organized, and clickable. Knowledge should be accessible to everyone.

iris-gallery

MohamadOday

121stars

Modern, fluid, 100% offline gallery app for Android built with Material You 3 and Jetpack Compose

SecurityKotlinApache-2.0GitHub

virtual-display-rs

MolotovCherry

908stars
virtual-display-rs preview

A Windows virtual display driver to add multiple virtual monitors to your PC! For Win10+. Works with VR, obs, streaming software, etc

  • Multiple monitors (up to 10)
  • Multiple resolutions per monitor

LibrePDF

MontesanoDev

33stars
LibrePDF preview

Privacy-first PDF tools. No cloud. No telemetry. Just local processing.

  • Merge: Combine multiple PDF files into a single document effortlessly.
  • Split: Extract specific pages or divide a document into multiple independent files.
SecurityJavaGPL-3.0GitHub
787stars
macparakeet preview

Fast, private, local-first voice app for Apple Silicon Macs — dictation, file/media transcription, meeting recording, Transforms, and a public automation CLI. Free and open-source.

  • Chat — Ask questions about a transcript in a multi-turn chat interface. The LLM answers based on the transcript content.
  • AI formatter — Optionally run your dictation and file transcripts through your AI provider to clean up grammar, punctuation, and paragraphing. Toggle on/off, customize the prompt, or reset to default.

NucleiSniper

MorDavid

36stars

AI-powered Nuclei template prioritization using deep target fingerprinting and TypeSafe Jev to surface relevant security findings faster.

metaclean

Moresyl

27stars
metaclean preview

Offline metadata & privacy cleaner for images, Office, PDF and text · Rust + Tauri · 本地文件隐私净化器

Fancy-Ai

Mr-J-369

50stars
Fancy-Ai preview

Offline roleplay app where characters have social media app. offline image generations including Sd1.5, SDXL, Flux, ZiT, Moss and Qwen image. Also terminal to run ubuntu and many more. The app is opensource and free. If you like my project, a support is highly appreciated to keep it up.

  • 100% Offline & Private: Your conversations, generated photos, character memories, and voice samples never leave your device.
  • On-Device LLMs: Run open-weights language models locally via GGUF (llama.cpp) and LiteRT backends. Cloud API keys (OpenRouter, DeepSeek, Anthropic, OpenAI) remain completely optional.
SecurityKotlinApache-2.0GitHub

KalnemiX

MrHacker-X

27stars

A powerful command-line tool for website reconnaissance and information gathering

SecurityPythonBSL-1.0GitHub
849stars
cloudflare-gateway-pihole-scripts preview

Use Cloudflare Gateway DNS/VPN to block ads, malware and tracking domains - free alternative to NextDNS, Pi-hole and AdGuard

  • Support for basic hosts files
  • Full support for domain lists
SecurityJavaScriptMITGitHub
155stars
pixy-mood-tracker-app preview

Pixy Mood Tracker helps you understand what makes you feel the way you do. Free on iPhone and Android, no ads, no account, no AI. Entries stay on your phone. Open source (MIT).

SecurityTypeScriptMITGitHub

dropwire

muhamadjawdatsalemalakoum

32stars

Free, open-source, peer-to-peer file transfer — send any file straight between devices, end-to-end encrypted, resumable, with no account and no server holding your data. Built on iroh. Desktop apps for Windows, macOS & Linux.

SecurityRustApache-2.0GitHub

jiff

multiparty

276stars

JavaScript library for building web-based applications that employ secure multi-party computation (MPC).

SecurityJavaScriptMITGitHub