Top PRIVACY GitHub Repositories & Tools (2026)

A native Android app that aggregates third-party app stores into one catalogue. Search across all of them at once, compare what each publishes for the same app, download and install APKs from the store you pick, and keep what you installed up to date.

Cross-platform desktop GUI app to clean image metadata

An Android app that uses your phone's sensors to assist with wilderness treks or survival situations.

Self-hosted private chat: no cloud, no telemetry, no Big Tech. Discord alternative that runs on your own machine.

👋 Your face is the password. Face unlock for your Mac's lock screen, plus App Lock for chosen apps. 100% on-device, built with Swift and Core ML.

A browser extension that redirects popular sites to alternative privacy friendly frontends

Ad-blocker and privacy guard for Windows, macOS and Linux.

🛡 I2P: End-to-End encrypted and anonymous Internet

Your web application for managing personal data.

DAVx⁵ is an open-source CalDAV/CardDAV suite and sync app for Android. You can also access your online files (WebDAV) with it.

A fully-featured team and group chat application that you can easily selfhost.

Free, open-source application firewall for macOS. Little Snitch alternative with zero telemetry. Native SwiftUI world map, rules manager, DNS over HTTPS, pf-based blocking. Signed, notarized, MIT licensed.

Communicate Freely

A modern browser for macOS. Agentic, local-first, native Swift, Chromium powered

Native Android messaging app using Bluetooth LE, TCP, or RNode (LoRa) over LXMF and Reticulum

Open-source JavaScript cookie consent manager for GDPR / RGPD. Customizable banner, service-level controls and Google Consent Mode v2 support.

🔑 Free Offline-first Password Manager

Powerful privacy tool to lock apps from intruders

Degoogled maps & turn-by-turn navigation for Android - MapLibre + Overture POI, no Google Play Services

An on-device LLM understands your entire life, then proactively offers to get your work done through computer use.