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  1. bettercap/bettercap

    The Swiss Army knife for 802.11, BLE, HID, CAN-bus, IPv4 and IPv6 networks reconnaissance and MITM attacks.

    Go★ 20.2kGitHub ↗

  2. pluja/awesome-privacy

    Awesome Privacy - A curated list of services and alternatives that respect your privacy because PRIVACY MATTERS.

    TypeScript★ 20.2kCC0-1.0GitHub ↗

  3. rizinorg/cutter

    Free and Open Source Reverse Engineering Platform powered by rizin

    C++★ 20.1kGPL-3.0GitHub ↗

  4. simplex-chat/simplex-chat

    SimpleX - the first messaging network operating without user identifiers of any kind - 100% private by design! iOS, Android and desktop apps 📱!

    Haskell★ 19.6kAGPL-3.0GitHub ↗

  5. amark/gun

    An open source cybersecurity protocol for syncing decentralized graph data.

    JavaScript★ 19.2kGitHub ↗

  6. fail2ban/fail2ban

    Daemon to ban hosts that cause multiple authentication errors

    Python★ 18.9kGitHub ↗

  7. hellzerg/optimizer

    The finest Windows Optimizer

    C#★ 18.2kGPL-3.0archivedGitHub ↗

  8. ory/hydra

    Internet-scale OpenID Certified™ OpenID Connect and OAuth2.1 provider that integrates with your user management through headless APIs. Solve OIDC/OAuth2 user cases over night. Consume as a service on Ory Network or self-host. Trusted by OpenAI and many others for scale and security. Written in Go.

    Go★ 17.6kApache-2.0GitHub ↗

  9. leon-ai/leon

    🧠 Leon is your open-source personal assistant.

    TypeScript★ 17.6kMITGitHub ↗

  10. vitalysim/Awesome-Hacking-Resources

    A collection of hacking / penetration testing resources to make you better!

    ★ 17.6kGPL-3.0GitHub ↗

  11. wazuh/wazuh

    Wazuh - The Open Source Security Platform. Unified XDR and SIEM protection for endpoints and cloud workloads.

    C++★ 17.6kGitHub ↗

  12. cure53/DOMPurify

    DOMPurify - a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMPurify works with a secure default, but offers a lot of configurability and hooks. Demo:

    JavaScript★ 17.5kApache-2.0GitHub ↗

  13. carpedm20/awesome-hacking

    A curated list of awesome Hacking tutorials, tools and resources

    ★ 17.4kMITGitHub ↗

  14. ffuf/ffuf

    Fast web fuzzer written in Go

    Go★ 17.0kMITGitHub ↗

  15. cryptomator/cryptomator

    Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.

    Java★ 16.4kGPL-3.0GitHub ↗

  16. winsiderss/systeminformer

    A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Brought to you by Winsider Seminars & Solutions, Inc. @ https://windows-internals.com

    C★ 16.4kMITGitHub ↗

  17. javascript-obfuscator/javascript-obfuscator

    A powerful obfuscator for JavaScript and Node.js

    TypeScript★ 16.3kBSD-2-ClauseGitHub ↗

  18. GreyDGL/PentestGPT

    Automated Penetration Testing Agentic Framework Powered by Large Language Models

    Python★ 16.3kMITGitHub ↗

  19. alam00000/bentopdf

    The Privacy First PDF Toolkit

    JavaScript★ 16.2kAGPL-3.0GitHub ↗

  20. angristan/openvpn-install

    Set up your own OpenVPN server on Debian, Ubuntu, Fedora, CentOS, Arch Linux and more

    Shell★ 16.2kMITGitHub ↗

  21. gotify/server

    A simple server for sending and receiving messages in real-time per WebSocket. (Includes a sleek web-ui)

    Go★ 16.2kGitHub ↗

  22. zaproxy/zaproxy

    The ZAP by Checkmarx Core project

    Java★ 16.1kApache-2.0GitHub ↗

  23. organicmaps/organicmaps

    🍃 Organic Maps is a free Android & iOS offline maps app for more than 6M travelers, tourists, hikers, and cyclists. It uses crowd-sourced OpenStreetMap data and is developed with love by the community. No ads, no tracking, no data collection, no crapware. Please donate to support the development!

    C++★ 15.9kGitHub ↗

  24. mvt-project/mvt

    MVT (Mobile Verification Toolkit) helps with conducting forensics of mobile devices in order to find signs of a potential compromise.

    Python★ 15.7kGitHub ↗

  25. sundowndev/hacker-roadmap

    A collection of hacking tools, resources and references to practice ethical hacking.

    ★ 15.7kMITarchivedGitHub ↗

  26. gojue/ecapture

    Capture SSL/TLS plaintext with eBPF—no MITM proxy or custom CA installation. Supports Linux and Android on x86_64\arm64 and loong64.

    C★ 15.5kApache-2.0GitHub ↗

  27. owasp-amass/amass

    In-depth attack surface mapping and asset discovery

    Go★ 15.5kGitHub ↗

  28. crowdsecurity/crowdsec

    Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

    Go★ 15.4kMITGitHub ↗

  29. Datalux/Osintgram

    Osintgram is a OSINT tool on Instagram. It offers an interactive shell to perform analysis on Instagram account of any users by its nickname

    Python★ 15.4kGPL-3.0GitHub ↗

  30. alphacep/vosk-api

    Offline speech recognition API for Android, iOS, Raspberry Pi and servers with Python, Java, C# and Node

    Jupyter Notebook★ 15.2kApache-2.0GitHub ↗

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