Open Source Privacy Tools
Discover 103 open source Privacy repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Privacy projects here are most often combined with Self Hosted, Desktop App and TypeScript. Last updated October 4, 2026.
103 repositories · updated October 4, 2026

simplex-chat: Private Messaging Without User Identifiers
SimpleX Chat is an end-to-end encrypted messaging platform designed to work without persistent user identifiers. It offers mobile and desktop apps, plus a terminal client, for people who want to reduce exposure of their contacts and messaging metadata.

whoogle-search: Self-Host a Privacy-Focused Search Interface
Whoogle is a Python web app that once provided ad-free Google results through a self-hosted interface. Google has blocked the requests it relied on, so it no longer returns search results and active development has ended.

MyIP: Diagnose IP, Privacy, and Network Issues
MyIP is a self-hostable web toolbox for checking IP addresses, privacy leaks, connectivity, and network routes. It suits privacy-conscious users and administrators who want a broad set of diagnostics in one interface.

cloi: Run a Local Coding Agent in the Terminal
Cloi is a terminal coding agent that uses Ollama to inspect, edit, and run code in a local workspace. It suits developers who want AI-assisted coding without sending project data to an external service, provided their hardware can run a supported model.

espanso: Expand Text Snippets Across Your Desktop
espanso is a privacy-first text expander for Windows, macOS, and Linux. It replaces typed triggers with snippets, scripts, commands, and other content, making it useful for repetitive writing and system-wide shortcuts.

BrowserAI: Run AI Models Directly in Your Browser
BrowserAI is a TypeScript library for running language, speech, and audio models locally in a web browser. It suits developers building privacy-conscious AI features without server-side inference, provided users have a compatible WebGPU browser and hardware.

IMSI-catcher: Identify Nearby GSM Subscriber Signals
IMSI-catcher uses GSM decoding tools and a software-defined radio receiver to display IMSI values and related carrier details from nearby cellphone signals. It is intended for GSM learning and authorized radio research, not casual use.

Bonjourr: Customize Your Browser's New Tab Page
Bonjourr turns a browser’s new tab into a minimalist, iOS-inspired startpage. It suits people who want quick access to links, search, weather, and personal touches across supported browsers or as a web page.

romm: Manage and Play a Self-Hosted ROM Collection
RomM scans, organizes, enriches, and lets you play a retro game collection through a self-hosted app. It suits emulator users who want centralized metadata, browser play, and save syncing across devices.

breezy-weather: Check Forecasts from Many Weather Sources
Breezy Weather is an Android weather app that brings forecasts, alerts, air quality, and other conditions into a visual interface. It suits people who want source choice, customization, and privacy-conscious options.

onelink: Create Link-in-Bio Pages Stored in the URL
Onelink creates link-in-bio pages by encoding profile details and links into a URL. It suits people who want a lightweight, shareable profile without storing page data in a separate service, but long profiles can produce lengthy URLs.

forwardemail.net: Operate a Privacy-Focused Email Service
Forward Email is an email service codebase for domain-based forwarding and hosted mail, with web, SMTP, IMAP, POP3, CalDAV, and CardDAV services. It suits teams seeking to run or develop a privacy-focused email platform.