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Security · GitHub

Protect systems, find vulnerabilities, and improve privacy.

Useful GitHub projects

3,723 projects
143stars
FuckCaptcha preview

Open field guide to 39 CAPTCHA types: identification signals, free and open-source bypass methods, and paid alternatives. Includes a searchable web version.

SecurityHTMLCC0-1.0GitHub

yarb

Vu1nT0tal

834stars

方便获取每日安全资讯的爬虫和推送程序

SecurityPythonGPL-3.0GitHub

gost

vulsio

150stars
gost preview

Build a local copy of Security Tracker. Notify via E-mail/Slack if there is an update.

  • Build a local copy of Security Tracker
  • A server mode for easy querying
61stars

Lightweight Kali Linux Docker images with curated CLI penetration testing tools for headless environments

  • Cryptographic proof of build integrity
  • Source repository and build environment verification

purrcrypt

vxfemboy

628stars
purrcrypt preview

A fur-ociously secure encryption tool that encodes your secrets as adorable cat and dog sounds, using real elliptic curve cryptography with a playful disguise.

8stars

Fill Google Play's Data safety form from your Android app's real code, not from memory. Agent skill + /data-safety command for Claude Code, Gemini CLI, Codex, Cursor.

sayso

watzon

50stars
sayso preview

Dictation that runs on your own computer. Press a key, speak, and the text lands in the app you are using. Free and open source, for macOS, Windows, and Linux.

SecurityRustGPL-3.0GitHub

web3privacy

web3privacy

512stars
web3privacy preview

Web3Privacy Now is a research project aimed at building a culture of privacy industry in web3: the most extensive database of privacy-enhancing solutions, the framework for PEDApps ideation, use-cases database & many more. Feel free to collaborate.

gcp-audit

webpwnized

31stars

GCP Audit checks projects in Google Cloud for compliance with CIS Benchmarks

SecurityShellGPL-3.0GitHub

trdl

werf

307stars
trdl preview

The universal solution for delivering your software updates securely from a trusted The Update Framework (TUF) repository.

SecurityGoApache-2.0GitHub

wildfly-elytron

wildfly-security

119stars

WildFly Elytron: Security, Authentication, and Authorization SPIs for the WildFly project

SecurityJavaApache-2.0GitHub

Fern

wized2

28stars
Fern preview

Offline Material You system monitor for Android — CPU, RAM, battery, thermals, per-app stats via Shizuku/root. No ads, no tracking.

  • Live dashboard — CPU, RAM, battery, storage, network with smooth history charts
  • Material You — seed colors, light / dark / system, AMOLED-friendly dark

hibp

wKovacs64

117stars

An unofficial TypeScript SDK for the 'Have I been pwned?' service.

  • All queries return a Promise
  • Provide your own AbortSignal to cancel in-flight requests
SecurityTypeScriptMITGitHub

pwned

wKovacs64

246stars

A command-line tool for querying the 'Have I been pwned?' service.

SecurityTypeScriptMITGitHub
322stars
react-native-capture-protection preview

🛡️ A React Native library to prevent and detect for screen capture, screenshots and app switcher for enhanced security. Fully compatible with both Expo and CLI.

  • 🔒 iOS: Screenshot, Screen Recording & App Switcher protection
  • 🔒 Android: Screenshot & Screen Recording protection

browser

woheller69

303stars
browser preview

A privacy oriented web browser with Greasemonkey style script support and Cookie Banner Blocker

  • AdBlocker using StevenBlack host list
  • Measures against browser fingerprinting
SecurityJavaGPL-3.0GitHub

wolfssh

wolfSSL

510stars

wolfSSH is a small, fast, portable SSH implementation, including support for SCP and SFTP.