Browse free open source Security software and projects for Android and Mac below. Use the toggles on the left to filter open source Security software by OS, license, language, programming language, and project status.
Dynamic instrumentation toolkit for developers
Repo for Blokada apps
Cross-platform multi-protocol VPN software
The Mullvad VPN client app for desktop and mobile
Open Source H.264 Codec
Extension that allows you to intercept and edit HTTP/HTTPS requests
Helps with conducting forensics of mobile devices
For full, incremental, compressed and encrypted backups or archives
Turns UDP traffic into encrypted UDP/fakeTCP/ICMP traffic
Tool to access videos, messaging, and other popular apps
Cuckoo Sandbox is for automated analysis of malware
Brook is a cross-platform strong encryption and not detectable proxy
A modern, portable, easy to use crypto library
A protocol agnostic application layer denial of service attack.
Web Debugging Proxy for macOS, iOS, and Android
Open source tool that improves identification of vulnerabilities
A proxy software to help circumventing the Great Firewall
Bug-fix-only libev port of shadowsocks
Store all your passwords in one secure encrypted database.
Keybase Go library, client, service, OS X, iOS, Android, Electron
Filter issues, activities and notifications
Open source secure password manager
A macOS, Linux, Windows app to test push notifications on iOS Android
YoungerSibling: Cross-platform OSINT tool for quick data gathering.
FIDO® Certified StrongKey FIDO Server (SKFS)