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Security · GitHub

Protect systems, find vulnerabilities, and improve privacy.

Useful GitHub projects

3,724 projects
70stars
VyprVPN-Windows-Setup-Guide preview

VyprVPN Windows 11 Setup Guide 2026: Install, Configure and Secure Your Connection

  • Setting up your first secure profile on Windows 11
  • Understanding split tunneling without a networking degree

Debloat.net

Turtlecute33

46stars
Debloat.net preview

Debloat Windows 11, disable telemetry, and harden macOS and Linux. Pick tweaks, read every command, download a ready-to-run script. Free, open source, no install. The maintained fork of privacy.sexy.

  • Turn off telemetry, diagnostic data, the advertising ID, and activity tracking
  • Disable Recall, Click to Do, Copilot in Edge, and generative AI in Paint; request removal of the Microsoft Copilot app
SecurityTypeScriptAGPL-3.0GitHub
26stars
lumela preview

CleanShot-style screenshots for Windows, macOS and Linux. Free and open source: capture, beautify, annotate, copy text (on-device OCR), and emails, card numbers, IPs and API keys are blurred for you.

  • Capture - Area, window (press Space while capturing) or full screen, with global shortcuts and a tray menu. Multi-monitor. Open from a file, the clipboard or drag and drop.
  • Beautify - Automatic background from the screenshot's edge colour, auto-balance, gradients, solid colours, your own image or desktop wallpaper, padding, inset, corner radius and shadow. Or no background at all, to share the screenshot as captured.
SecurityTypeScriptGPL-3.0GitHub

NEXUS

TW4RDYDEV

34stars
NEXUS preview

Local-first offensive security engagement platform for mapping assets, credentials, sessions, pivots, findings, evidence, and attack paths.

2fas-ios

twofas

764stars

Source code for 2FAS Auth iOS app

  • Support for time-based one-time passwords (TOTP) and HMAC-based on-time passwords (HOTP)
  • Compatible with any service that supports the TOTP and HOTP standard, including Google, Microsoft, and Dropbox
SecuritySwiftGPL-3.0GitHub
115stars

Source code for 2FAS Pass iOS app

  • Privacy-focused - No data stored on our servers
  • Local-first architecture - Your data stays on your device

typewhisper-win

TypeWhisper

244stars

TypeWhisper for Windows - Local speech-to-text with translation

  • Dictate using global recording shortcuts, with a configurable overlay and provider-dependent live text. Automatic insertion follows your output settings.
  • Record microphone/system audio, transcribe files and export text or timed subtitles when the provider supplies timestamps.

handbook

ultralytics

86stars

Ultralytics company handbook covering our mission, values, onboarding, people, policies, security, and operations.

54stars
linked_camera preview

A lightweight, privacy-aware Android camera app for field data collection with automatic Nextcloud upload and offline queue management.

  • Resolutions: Up to 4K UHD (device-dependent)
  • Bitrate Control: 100kbps to 200Mbps
SecurityJavaGPL-3.0GitHub
479stars
windows11 preview

🪐 Perfect Windows 11: A Portal to Windows 11 Settings, Optimizations, and Scripts

  • Privacy Hardening: Disable telemetry, ads, and data collection.
  • Service Tuning: Safe optimization (keeps HID/biometrics; optional login safeguard).
SecurityBatchfileMITGitHub

TAK-Portal

ValleyTacticalSolutions

32stars

TAK Portal is a lightweight, modern user-management portal designed to integrate seamlessly with Authentik and TAK Server for streamlined certificate and account control. Built specifically for agencies who need reliability, simplicity, and security.

SecurityJavaScriptAGPL-3.0GitHub
258stars
glass-home-samsung-tv preview

A minimal home screen for Samsung Tizen TVs: rotating nature photos, a glass dock of your apps, and a photo website served by the TV.

SecurityJavaScriptMITGitHub

Mimora

vikonix

36stars
Mimora preview

Free, offline AI pronunciation trainer for English & Spanish. Repeat a phrase, get an instant grade and the words to fix. Your voice never leaves your PC.

  • 🎙️ One-press recording - press once, speak, and it stops by itself when you go quiet.
  • 🗣️ One consistent reference voice - the prompt and the scored reference are the same voice, so the target never changes. Prefer variety? Turn on Random voice per phrase in the settings.

ContxtAI

vinaykolupula

31stars
ContxtAI preview

ContxtAI is a privacy-focused portable context layer for AI. Build context bundles once and seamlessly inject them into any AI platform you use.

SecurityTypeScriptApache-2.0GitHub

virustotal-mcp

VirusTotal

39stars

Official VirusTotal MCP server for AI agents: threat intelligence, file analysis, and recovery through VTAI.

SecurityPythonApache-2.0GitHub

hyperpguard

vivibibi30

129stars
hyperpguard preview

HyperPGuard — 在采集入口、本地存储、对外接口、网络出口四层拦截app的隐私上报(LSPosed 模块)

SecurityJavaGPL-3.0GitHub
37stars

Verifiable and free cloud compute for AI agents. webMCP + MCP native. Check out our sandboxed Beta + research in the README

SecurityPythonApache-2.0GitHub

lenspect

vmkspv

205stars
lenspect preview

A lightweight security threat scanner intended to make malware detection more accessible and efficient.

SecurityPythonGPL-3.0GitHub

vocamac

VocaHQ

164stars
vocamac preview

Open-source, offline voice-to-text for macOS. Hold a hotkey, speak, text appears. Private on-device dictation with multiple speech engines.

  • Type into any app, with live words in a small overlay while you speak.
  • Paragraph breaks at long pauses between sentences, and spoken emoji and numbers ("party emoji" → 🎉, "seven thirty pm" → 7:30 pm).
SecuritySwiftAGPL-3.0GitHub