Get an insight into the inner-workings of a given website: uncover potential attack vectors, analyse server architecture, view security configurations, and learn what technologies a site is using.
- Website Audit Tool
- Free • Open Source
- Online
- Self-Hosted

Script for Windows 11 automates removal of Copilot, Recall, AI Actions, Input Insights, AI-powered app integrations, and disables related features system-wide.
- System Tweaker
- Free • Open Source
- Windows
- PowerShell

Privacy and security enhanced releases of Chromium for GrapheneOS. Vanadium provides the WebView and standard user-facing browser on GrapheneOS.
- Web Browser
- Free • Open Source
- Android

A novel Android app store focused on security, privacy, and usability.
- App Store
- Free • Open Source
- Android
- Android Tablet



A free in-depth website analyzer providing audits of security, performance, SEO, accessibility and other technical aspects. Available as a desktop application for Windows/macOS/Linux and as a CLI tool for advanced users and CI/CD processes. It also includes an offline web page exporter.
- SEO Tool
- Free • Open Source
- Mac
- Windows
- Linux

Cover Your Tracks is a research project designed to better uncover the tools and techniques of online trackers and test the efficacy of privacy add-ons.
- Privacy Tool
- Free • Open Source
- Online

Minimal Firewall is a portable Windows firewall frontend that alerts users to internet connections without requiring custom kernel modifications or disabling core isolation, striking a balance between TinyWall's security and SimpleWall's functionality.
- Firewall
- Free • Open Source
- Windows

Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting...
- Vulnerability Scanner
- Freemium • Proprietary
- Mac
- Windows
- Linux
- BSD
- Flathub
- Flatpak

Wazuh is a free and open source platform used for threat prevention, detection, and response. It is capable of protecting workloads across on-premises, virtualized, containerized, and cloud-based environments.
- Free • Open Source
- Mac
- Windows
- Linux
- Online

This is a fork of the original (and discontinued) app, which is still looking for maintainers. Please consider to apply to keep this app maintained !
- Anti-Virus App
- Free • Open Source
- Android
- F-Droid


BunkerWeb is a next-generation and open-source Web Application Firewall (WAF).
- Web Application Firewall
- Free • Open Source
- Self-Hosted
reCAPTCHA is a free service that protects your site from spam and abuse, using risk analysis techniques to tell humans and bots apart.
- Anti-Spam Tool
- Freemium • Proprietary
- Online

Protect your applications with Single Sign-On and 2 Factor. Authelia is an open-source full-featured authentication server available on Github.
- Identity Management Tool
- Free • Open Source
- Self-Hosted
- Kubernetes
- Docker

AstraCrypt - is a free, powerful and open-source encryption app that has everything you need to keep your data safe and secure.
- Free • Open Source
- Android
- F-Droid


Prosopo Procaptcha redefines user verification with a unique approach that emphasizes privacy and security. It's a pioneering solution designed to offer an alternative to conventional CAPTCHA systems that often compromise user privacy.
- Anti-Spam Tool
- Freemium • Open Source
- Online
- Software as a Service (SaaS)
- Wordpress

Android keyboard for secure E2EE communication through the signal protocol in any messenger. Communicate securely and independent, regardless of the legal situation or whether messengers use E2EE.
- Encrypted Chat App
- Free • Open Source
- Android
- F-Droid

Rizin is a feature rich reverse engineering framework in development, focusing on stability and high code quality, a welcoming and curious community culture and implementation of cutting edge binary analysis research.
- Decompiler
- Free • Open Source
- Windows
- Linux
- Android
- Mac
- BSD

Find DNS records in order to identify the Internet footprint of an organization. Recon that enables deeper security assessments and understanding of the potential attack surface.
- Free • Proprietary
- Online

Secure and Easy Self-hosted platform. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot).
- Server Management Tool
- Free • Open Source
- UNIX Web Browser
- Software as a Service (SaaS)

Auditor is an app which leverages hardware security features to provide device integrity monitoring for supported devices. Currently, it only works with GrapheneOS and the device's stock operating system.
- Free • Open Source
- Android



Your guide to finding privacy-respecting alternatives to popular software and services.
- Free • Open Source
- Online

Artemis is an open-source security vulnerability scanner developed by CERT PL. It is built to look for website misconfigurations and vulnerabilities on a large number of sites. It automatically prepares reports that can be sent to the affected institutions.
- Vulnerability Scanner
- Free • Open Source
- Self-Hosted

Security Enhanced Linux (SELinux) is a role-based access control solution, developed by the US spying agency NSA and Red Hat, for internal and general use.
- Free • Open Source
- Linux






























































