Open-source privacy and security tools

Password managers, VPNs, blockers, and encryption tools that keep your data yours.

Last updated Oct 20, 2026

48 projects

Conduit
Volunteer proxy app that relays traffic for Psiphon users facing censorship
Privacy and security Servers and infrastructure
254
GTweak
Portable Windows 10 and 11 tweaker for debloating, privacy, and tuning
System utilities Privacy and security
Greedeks 1.8k
YTPro
Android YouTube client with ad blocking, downloads and background play
Media and downloads Privacy and security
Prateek Chaubey 2.7k
FadCam
Android app for background camera, dashcam and screen recording
Media and downloads Privacy and security
Faded 2.9k
OpenFlux
TCP/UDP tunnel that carries traffic over pluggable transports
Privacy and security Servers and infrastructure
p1neappleXpress 2.2k
esp32-c3-adblock
Network-wide DNS ad blocker firmware for a cheap ESP32-C3 board
Privacy and security Hardware and IoT
Zed 3.3k
DevSec Hardening Framework
Ansible roles that harden Linux hosts, OpenSSH, nginx, and MySQL
Servers and infrastructure Privacy and security
5.5k
OpenMed
Clinical entity extraction and PII de-identification on local hardware
AI models and runtimes Health and fitness Privacy and security
Maziyar Panahi 5.7k
Hister
Private full-text search over your browsing history and local files
Productivity Self-hosted alternatives Privacy and security
Adam Tauber 6.1k
PipePipe
Android client for YouTube, BiliBili and NicoNico without ads or tracking
Media and downloads Privacy and security
InfinityLoop1308 7.1k
MasterDnsVPN
DNS tunnel that carries TCP traffic through DNS queries to bypass censorship
Privacy and security Servers and infrastructure
Amin Mahmoudi 7.1k
tailcat
Netcat-style encrypted tunnels between two machines, no account needed
Servers and infrastructure Privacy and security Developer tools
8.4k
OpenBao
Secrets, certificates, and encryption keys managed from one server
Privacy and security Servers and infrastructure Self-hosted alternatives
8.6k
bitchat for Android
Offline Bluetooth mesh messenger for Android with Nostr fallback
Communication Privacy and security
7.8k
Pocket ID
A simple sign-in provider for your self-hosted apps that uses passkeys only
Privacy and security Self-hosted alternatives
9.6k
S-UI
Web admin panel for running and managing sing-box proxy servers
Privacy and security Servers and infrastructure Self-hosted alternatives
Alireza Ahmadi 10.1k
Universal Android Debloater Next Generation
Desktop GUI for removing preinstalled Android apps over ADB without root
System utilities Privacy and security
9.5k
Cloudflare Temp Email
Disposable email service you deploy on your own Cloudflare account
Communication Self-hosted alternatives Privacy and security
Dream Hunter 12k
ADR
Detection, telemetry, and benchmarking for securing enterprise AI agents
Privacy and security Agent frameworks and tools Security testing and OSINT
2.1k
Kopia
Encrypted, deduplicated backups to cloud storage or your own disks
Privacy and security System utilities Self-hosted alternatives
14.4k
iCloud Photos Downloader
Command-line downloader that copies or syncs your iCloud photo library locally
Media and downloads Privacy and security
12.3k
RemoveWindowsAI
PowerShell script removing Copilot, Recall and other Windows 11 AI tools
System utilities Privacy and security
zoicware 13.4k
Amnezia VPN
VPN client that sets up its own VPN server on your machine over SSH
Privacy and security Self-hosted alternatives
15.5k
MXC
Cross-platform sandbox SDK for running untrusted code and model output
Agent frameworks and tools Privacy and security Servers and infrastructure
2.9k