Open-source privacy software
2306 open-source libraries, tools and applications tagged privacy, ranked by how closely privacy is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
2306 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| FirefoxBar/HeaderEditor Header Editor is a browser extension (WebExtension) for Firefox, Chrome, and Edge that lets users modify HTTP requests and responses via ru… | 99 | 1311 | active |
| berbicanes/apiark ApiArk is a privacy-first desktop API client built with Tauri v2, serving as a lightweight Postman alternative that runs entirely locally w… | 57 | 1286 | active |
| kellyvv/PhoneClaw PhoneClaw is a mobile-native local AI agent framework that turns phones into on-device agent runtimes, running Gemma models via LiteRT and … | 71 | 1279 | active |
| Aryan-Raj3112/episteme Episteme Reader is an offline-first, privacy-focused document and e-book reader built with Kotlin Multiplatform and Compose, available for … | 81 | 1276 | active |
| linagora/cozy-stack Cozy-stack is the core backend server of the Cozy/Twake Workplace personal cloud platform, written in Go. It serves user-installed web apps… | 100 | 1268 | active |
| SimonSchubert/Kai Kai 9000 is an open-source, cross-platform AI assistant built with Kotlin Multiplatform that runs on Android, iOS, Windows, Mac, Linux, and… | 81 | 1264 | active |
| Bulwark Webmail Bulwark Webmail is a self-hosted webmail client built with Next.js and TypeScript that speaks the JMAP protocol and is designed specificall… | 81 | 1259 | active |
| WebScrapBook WebScrapBook is a browser extension that captures web pages faithfully into various archive formats (including MAFF and HTZ) for local or b… | 75 | 1243 | active |
| Taewan-P/gpt_mobile GPT Mobile is an Android chat application that lets users talk to multiple LLM providers (OpenAI, Anthropic, Google Gemini, Groq, Ollama) s… | 96 | 1240 | active |
| zkonduit/ezkl EZKL is a Rust-based library and command-line tool that converts deep learning models and arbitrary computational graphs (exported as ONNX)… | 69 | 1227 | active |
| FlowDown FlowDown is a native AI chat client for iPhone, iPad, and Mac built with Swift and UIKit. It connects to OpenAI-compatible APIs, self-hoste… | 85 | 1223 | active |
| Moe Memos Moe Memos is a native Android app for capturing quick thoughts and ideas, built with Kotlin and Jetpack Compose. It works standalone on-dev… | 95 | 1215 | active |
| HamedAp/ShahanPanel ShahanPanel is a self-hosted web panel for managing SSH and VPN proxy users on a server, supporting protocols like V2Ray, VLESS, VMess, Wir… | 85 | 1204 | active |
| 123xiao/sex-agreement-app A Next.js web application for creating, digitally signing, and managing sexual consent agreements, with PDF export and multi-step form guid… | 30 | 1195 | active |
| RainLoop/rainloop-webmail RainLoop Webmail is a simple, modern, and fast web-based email client written in PHP that connects directly to mail servers via IMAP and SM… | 10 | 4115 | maintenance |
| mlomb/chat-analytics A web app and CLI that takes chat exports from platforms like Telegram, Discord, and WhatsApp and generates a single interactive HTML repor… | 40 | 1177 | active |
| microblog.pub microblog.pub is a self-hosted, single-user microblog server that speaks the ActivityPub protocol, letting you federate with Mastodon, Pler… | 32 | 1161 | active |
| thumbmarkjs/thumbmarkjs ThumbmarkJS is a free, MIT-licensed JavaScript browser fingerprinting library that generates a unique visitor identifier entirely client-si… | 91 | 1160 | active |
| SimpleMobileTools/Simple-Gallery Simple Gallery is an open-source Android app for browsing, organizing, editing, and protecting photos, videos, and GIFs without ads. It inc… | 23 | 4021 | maintenance |
| xiaochong/hi-kid HiKid is a free, open-source Electron desktop app that lets children in non-English-speaking countries practice English speaking and listen… | 48 | 1142 | active |
| roleoroleo/yi-hack-Allwinner-v2 A custom firmware modification for Xiaomi Yi 1080p cameras built on the Allwinner SoC, replacing the stock cloud-dependent software with a … | 88 | 1140 | active |
| AvillaDaniel/AvillaForensics Avilla Forensics is a free Windows-based mobile forensic application for logical data extraction from Android and iOS devices, built in C# … | 63 | 1137 | active |
| BlackyHawky/Clock A customizable, privacy-first, open-source Android clock app inspired by AOSP Clock, offering alarms, world clock, timer, stopwatch, widget… | 98 | 1136 | active |
| facebookresearch/watermark-anything Official PyTorch implementation and pretrained models for the paper 'Watermark Anything with Localized Messages', which embeds multiple loc… | 10 | 1134 | active |
| localgpt-app/localgpt LocalGPT is a local-only AI assistant built in Rust that ships as a single binary with a CLI, desktop GUI, embedded web UI, HTTP API, and M… | 61 | 1124 | active |
| Deep-ai-inc/ch.at A lightweight LLM chat service in Go, deployable as a single static binary, accessible via web, curl, SSH, DNS TXT queries, and an OpenAI-c… | 62 | 1121 | active |
| orailnoor/cross-platform-llm-client PrivateLM is a cross-platform AI chat client built with Flutter that unifies local on-device LLM inference (GGUF models with Vulkan GPU acc… | 67 | 1105 | active |
| continuwuity/continuwuity Continuwuity is a community-driven Matrix homeserver written in Rust, continuing the archived conduwuit and Conduit projects. It provides a… | 84 | 1103 | active |
| mattogodoy/nametag Nametag is a self-hostable personal relationship manager (PRM) for tracking people, birthdays, relationships, and interactions. It offers i… | 80 | 1099 | active |
| hyugogirubato/KeyDive KeyDive is a Python CLI tool that extracts Widevine L3 DRM keys and device credentials from rooted Android devices using Frida instrumentat… | 75 | 1099 | active |
| brufdev/many-notes Many Notes is a self-hosted Markdown note-taking web application built in PHP, designed for simplicity. It stores notes both in a database … | 86 | 1094 | active |
| DrizzleTime/Foxel Foxel is a self-hosted private cloud storage application that unifies file management across pluggable storage backends (S3, WebDAV, cloud … | 87 | 1086 | active |
| thehackingsage/hackdroid HackDroid is a curated collection of 364+ pentesting and security-related Android apps organized into categories like MITM, forensics, snif… | 32 | 1078 | active |
| wreq wreq is an ergonomic, privacy-aware HTTP client written in Rust with a Python binding (wreq-python) that provides high-fidelity browser TLS… | 88 | 1077 | active |
| trendy-design/llmchat LLMChat is a privacy-focused AI chat platform built with Next.js and TypeScript that provides a unified interface for chatting with multipl… | 21 | 1074 | active |
| ElevenPaths/FOCA FOCA is a Windows desktop application that finds metadata and hidden information in documents discovered via search engines (Google, Bing, … | 23 | 3650 | maintenance |
| techchipnet/hound Hound is a lightweight PHP-based information gathering tool that captures a target device's exact GPS coordinates along with system and ISP… | 31 | 1060 | active |
| kurrier-org/kurrier Kurrier is a self-hosted, open-source workspace that unifies email, calendars, contacts, and file storage into a single modern web interfac… | 80 | 1059 | active |
| Minima-AI-Inc/minima Minima is an open-source, on-premises conversational RAG system deployed via Docker containers. It supports fully local operation with Olla… | 38 | 1055 | active |
| toniebox-reverse-engineering/teddycloud TeddyCloud is an open-source replacement server for the Boxine Cloud that lets Toniebox owners host cloud services locally, serving their o… | 91 | 1053 | active |
| mandatoryprogrammer/thermoptic Thermoptic is a stealth HTTP proxy that routes requests from any HTTP client (like curl) through a containerized Chrome instance so the tra… | 62 | 1051 | active |
| Blockstream/satellite Blockstream Satellite is a Python-based software suite (GUI and CLI) for setting up a receiver node that downloads the Bitcoin blockchain v… | 60 | 1041 | active |
| Beeper iMessage Bridge A Go CLI tool (bbctl) for running self-hosted Matrix bridges against the Beeper Matrix server without hosting a full homeserver. It manages… | 10 | 1041 | active |
| JackJuly/linkook Linkook is a Python-based OSINT command-line tool that discovers linked social media accounts and associated email addresses across multipl… | 86 | 1029 | active |
| error311/FileRise FileRise is a self-hosted, web-based file manager and storage hub written in PHP and JavaScript, featuring per-folder ACLs, WebDAV access, … | 84 | 1021 | active |
| reactos/reactos ReactOS is a free, open-source operating system written from scratch that is binary-compatible with applications and drivers written for th… | 86 | 18242 | experimental |
| 0x0be/yesitsme A Python CLI script for OSINT investigations that finds Instagram profiles matching a given name, e-mail, or phone number. It scrapes dumpo… | 32 | 3087 | maintenance |
| dedsec1121fk/DedSec DedSec Project is an educational cybersecurity and Termux toolkit for Android that bundles scripts, utilities, local web interfaces, and pr… | 90 | 913 | active |
| OpenShell NVIDIA OpenShell is an open-source runtime for executing autonomous AI agents (Claude Code, Codex, OpenCode, Copilot CLI) inside sandboxed … | 79 | 16462 | experimental |
| seclab-ucr/INTANG INTANG is a Linux daemon that evades the Great Firewall of China's TCP reset attacks by desynchronizing the TCP Control Block on censorship… | 40 | 2833 | maintenance |
| Jazz Classic Jazz is a distributed, local-first database that syncs structured data, files, and streams across frontends, containers, serverless… | 84 | 2535 | maintenance |
| sekey/sekey SeKey is a macOS SSH agent that lets users authenticate to SSH servers using keys stored in the Apple Secure Enclave, unlocked via Touch ID… | 23 | 2516 | maintenance |
| mxstbr/sharingbuttons.io A web app that generates privacy-friendly social media sharing buttons with no JavaScript and no user tracking. It is built with React and … | 32 | 2447 | maintenance |
| LBRY Android The official LBRY Android app, a mobile browser and wallet for the LBRY decentralized content network. It lets users discover, view, publis… | 23 | 2393 | maintenance |
| monlor/MIXBOX-ARCHIVE MIXBOX is a shell-script-based toolbox for Xiaomi routers that provides quick configuration and management of plugins like Shadowsocks, frp… | 10 | 2382 | maintenance |
| Kkevsterrr/geneva Geneva is a research tool from the University of Maryland that uses a genetic algorithm to automatically evolve packet-manipulation strateg… | 76 | 2144 | maintenance |
| D4Vinci/Cr3dOv3r Cr3dOv3r is a Python command-line pentesting tool for investigating credential reuse attacks. Given an email, it searches public breach dat… | 54 | 2144 | maintenance |
| x0b/rcx RCX is an Android app that brings rclone-powered cloud storage access to mobile devices, letting users manage files across dozens of cloud … | 23 | 2051 | maintenance |
| pfn/keepasshttp KeePassHttp is a plugin for KeePass 2.x that exposes password entries securely over HTTP using 256-bit AES/CBC encryption. It is designed t… | 32 | 2038 | maintenance |
| mgilangjanuar/teledrive A self-hostable web application that turns Telegram's API into a free unlimited cloud storage service, positioned as an alternative to Goog… | 10 | 2033 | maintenance |
| YouTransfer/YouTransfer YouTransfer is a self-hosted file transfer and sharing web application, an alternative to services like WeTransfer and Dropbox. It runs on … | 23 | 2020 | maintenance |
| awolfly9/IPProxyTool A Python/Scrapy application that crawls free proxy websites, validates the collected proxy IPs against target sites, and stores usable prox… | 32 | 2004 | maintenance |
| ETCExtensions/Edit-This-Cookie EditThisCookie is a Google Chrome/Chromium browser extension for managing cookies. It lets users add, delete, edit, search, protect, and bl… | 23 | 2004 | maintenance |
| droe/sslsplit SSLsplit is a transparent SSL/TLS interception proxy for man-in-the-middle attacks against encrypted network connections. It terminates TLS… | 51 | 1877 | maintenance |
| n0a/telegram-get-remote-ip A Python CLI script that reveals the IP address of a Telegram voice call interlocutor by capturing and analyzing traffic with tshark. It ex… | 32 | 1857 | maintenance |
| kickscondor/fraidycat Fraidycat is an app (and browser extension) for following people across many platforms - blogs, wikis, YouTube, Twitter, Reddit, Instagram … | 23 | 1823 | maintenance |
| schn4ck/schnack Schnack is a tiny, self-hosted, open-source commenting system for static websites, serving as a Disqus-like drop-in widget. It offers OAuth… | 23 | 1811 | maintenance |
| SecureAI-Tools/SecureAI-Tools A self-hosted web application for private AI productivity, offering chat with AI models and chat-with-documents (PDF) backed by local infer… | 18 | 1727 | maintenance |
| ssb-server ssb-server is the gossip and replication server for Secure Scuttlebutt, a peer-to-peer append-only log store that acts as a database, ident… | 23 | 1707 | maintenance |
| vx3r/wg-gen-web A self-hosted web application that generates WireGuard client and server configuration files without managing the WireGuard service itself.… | 32 | 1705 | maintenance |
| getstation/desktop-app Station is an open-source Electron-based smart browser that centralizes all your web applications (Slack, Gmail, Google Drive, and 600+ oth… | 67 | 1683 | maintenance |
| den4uk/andriller Andriller CE is a Python-based forensic toolkit for Android smartphones that performs read-only, non-destructive data acquisition from devi… | 23 | 1618 | maintenance |
| SharadKumar97/OSINT-SPY OSINT-SPY is a Python command-line tool that performs open-source intelligence scans on emails, domains, IP addresses, organizations, Bitco… | 23 | 1550 | maintenance |
| ttalvitie/browservice Browservice is a proxy server that renders modern web pages using an embedded Chromium (CEF) browser and streams the viewport as images to … | 76 | 1454 | maintenance |
| saucxs/watermark-dom watermark-dom is a lightweight JavaScript library that adds configurable text watermarks to web pages using DOM elements, Shadow DOM, and p… | 32 | 1389 | maintenance |
| thompsonate/Shifty Shifty is a free, open-source macOS menu bar app that extends the built-in Night Shift feature with per-app, per-website, and custom-schedu… | 23 | 1297 | maintenance |
| google/skicka A Go command-line utility for uploading, downloading, listing, and managing files on Google Drive, with optional AES-256 client-side encryp… | 10 | 1295 | maintenance |
| hubert3/iSniff-GPS iSniff-GPS is a passive WiFi sniffing tool that captures SSID probes, ARPs, and MDNS packets from nearby iOS devices to infer their previou… | 32 | 1287 | maintenance |
| kristovatlas/osx-config-check A Python command-line tool that audits macOS (OS X) machines against hardened security configuration baselines, such as drduh's OS X Securi… | 23 | 1238 | maintenance |
| decentralized-identity/ion ION is a public, permissionless Decentralized Identifier (DID) network implementing the Sidetree protocol as a Layer 2 overlay on Bitcoin. … | 23 | 1228 | maintenance |
| Viralmaniar/I-See-You ISeeYou is a Bash and JavaScript tool that captures a target's exact GPS coordinates (latitude/longitude) during social engineering or phis… | 32 | 1206 | maintenance |
| KnockOutEZ/wigolo wigolo is a local-first MCP server that gives AI coding agents web intelligence tools: search across 18 engines, fetch with anti-bot escala… | 78 | 5486 | experimental |
| snuffyDev/Beatbump Beatbump is a privacy-respecting alternative frontend for YouTube Music built with SvelteKit, offering ad-free audio playback, playlist man… | 10 | 1130 | maintenance |
| openTrinity/mycontext MyContext is a local-first desktop application that builds a persistent personal work context layer by connecting signals from instant mess… | 55 | 5018 | experimental |
| OpenFind OpenFind is an open-source iOS app that finds text in real life using OCR, letting users search in real time via the camera or across their… | 23 | 1070 | maintenance |
| cjb/GitTorrent GitTorrent is a peer-to-peer network that shares Git repositories over BitTorrent, acting as a decentralized alternative to GitHub. It inte… | 32 | 4761 | experimental |
| shimmeris/SCFProxy SCFProxy is a CLI tool that deploys HTTP, SOCKS, and reverse proxies on cloud functions and API gateways across Alibaba Cloud, Tencent Clou… | 23 | 1047 | maintenance |
| Rev Obsidian Sync A reverse-engineered, self-hosted replacement for the official Obsidian Sync and Publish servers, written in Go. It provides end-to-end enc… | 10 | 1041 | maintenance |
| b-nnett/goose Goose is a local-first iOS companion app for WHOOP 5.0 fitness bands, built with SwiftUI and a Rust core that parses Bluetooth packet data … | 10 | 2722 | experimental |
| Bitterbot-AI/bitterbot-desktop Bitterbot is a local-first desktop AI agent with persistent memory, a 'dream engine' that consolidates skills while idle, and a peer-to-pee… | 83 | 2478 | experimental |
| elendirx/web2web A proof-of-concept for serving websites entirely via torrents and the Bitcoin blockchain, with no webserver or domain. A Bitcoin OP_RETURN … | 32 | 2241 | experimental |
| buckyos/CYFS CYFS (CYberFileSystem) is a Rust-implemented protocol stack that upgrades the Web's basic protocols (TCP/IP+DNS+HTTP) to enable fully decen… | 23 | 1442 | experimental |
| cinderline/northcinder NorthCinder is a self-hosted MCP server that acts as a buyer-side shopping agent, comparing products across user-chosen sources and explain… | 73 | 1208 | experimental |
| lmatteis/torrent-net TorrentNet is a C application that builds distributed search engines on top of the BitTorrent network and SQLite databases. It lets users q… | 32 | 1030 | experimental |
| stonith404/pingvin-share Pingvin Share is a self-hosted file sharing platform and WeTransfer alternative built with Next.js and NestJS. It lets users share files vi… | 10 | 4667 | abandoned |
| qiyeboy/IPProxyPool IPProxyPool is a Python proxy pool service that crawls free proxy IPs from the web, validates them, stores them in a database (SQLite by de… | 23 | 4288 | abandoned |
| samschott/maestral Maestral is a lightweight, open-source Dropbox sync client for macOS and Linux, written in Python, with both a CLI and GUI (Cocoa on macOS,… | 10 | 3326 | abandoned |
| kyantech/Palmr Palmr. is an open-source, self-hosted file-sharing platform serving as an alternative to services like WeTransfer. It lets users upload, or… | 72 | 2394 | abandoned |
| codebutler/firesheep Firesheep is a Firefox extension that demonstrates HTTP session hijacking attacks by sniffing unencrypted Wi-Fi traffic and capturing sessi… | 32 | 2351 | abandoned |
| fossasia/CommonsNet CommonsNet is a web application for collecting and sharing details about WiFi networks, especially open WiFi sharing terms and legal requir… | 10 | 1532 | abandoned |