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

localsend: Share Files Between Nearby Devices
LocalSend transfers files and messages between nearby devices on the same local network, without internet access or third-party servers. It suits people who need a cross-platform alternative to cloud-based sharing or platform-specific transfer tools.
pixelfed: Share Photos Across the Fediverse
Pixelfed is a photo-sharing social network designed for people and communities who want to share images across the fediverse. It can be used through hosted instances or self-hosted, with Docker Compose recommended for deployment.

KeepChatGPT: Customize and Protect the ChatGPT Web Experience
KeepChatGPT is a JavaScript userscript that adds privacy, data-safety, and workflow features to ChatGPT in the browser. It is for users who want more control over the chat interface and need to install a userscript manager.

donutbrowser: Manage Isolated Chromium Browser Profiles
Donut Browser is a desktop Chromium profile manager built around a privacy-focused anti-detect engine. It is aimed at people who need separate browser identities, per-profile proxies, and optional sync or automation integrations.

super-productivity: Plan Tasks and Track Work Time
Super Productivity combines task planning, timeboxing, and time tracking in a privacy-focused app for web, desktop, and mobile. It suits people who want to organize projects and connect work items from issue trackers and calendars.

whisper.cpp: Transcribe Speech with Whisper in C/C++
whisper.cpp runs OpenAI Whisper speech recognition through a lightweight C/C++ implementation. It suits developers building offline transcription into applications across desktop, mobile, browser, and server environments.

Peergos: Store and Share Files on a Private Peer-to-Peer Web
Peergos is a peer-to-peer platform for encrypted file storage, sharing, messaging, and private social features. It suits people who want control over their data and are willing to use a hosted service or run a server themselves.

OLMoE.swift: Run OLMoE Locally on Apple Devices
OLMoE.swift is an Apple app for chatting with Ai2’s OLMoE language model on-device. It suits people who want private, offline-capable model use on iOS or macOS, provided their device can run the app and model.

blocky: Filter and Route DNS for Your Local Network
Blocky is a Go-based DNS proxy that lets households and homelabs block unwanted domains and manage DNS routing centrally. Use it when you want configurable filtering, modern encrypted DNS protocols, and local-network integrations without telemetry.

wBlock: Block Ads and Trackers in Safari
wBlock is a free Safari content blocker for Mac, iPhone, iPad, and Apple Vision Pro. It combines filter lists with a scripts extension for userscripts, userstyles, and page-level controls.

Zero: Self-Host an AI-Powered Email App
Zero is a self-hostable email app that connects accounts such as Gmail and Outlook in a unified inbox, with AI agents to modernize email workflows. It suits people who want an extensible alternative to closed email apps and are prepared to configure and operate the services it needs.

meetily: Transcribe and Summarize Meetings Locally
Meetily is a desktop meeting assistant that records, transcribes, and summarizes meetings using local models and configurable AI providers. It suits people and organizations that want more control over meeting data than cloud-first tools provide.