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 |
|---|---|---|---|
| out0fmemory/GoAgent-Always-Available A maintained fork of the classic GoAgent proxy that periodically scans for usable Google GAE/GWS IP addresses and ships an automated IP-fet… | 10 | 1125 | abandoned |
| likuai2010/ClashMeta A Clash Meta (Mihomo) proxy client ported to HarmonyOS Next using Go, one of the first open-source Go application ports for that platform. … | 31 | 1118 | abandoned |
| ipfspics/ipfspics-server ipfs.pics is an open-source, distributed image hosting website built on the InterPlanetary File System (IPFS), serving as a libre alternati… | 32 | 1116 | abandoned |
| cryptocat/cryptocat Cryptocat is a desktop application providing encrypted, secure chat built on Electron with JavaScript. It packages for Windows, Linux, and … | 32 | 1114 | abandoned |
| Spreed WebRTC Spreed WebRTC is a self-hosted WebRTC audio/video call and conferencing server written in Go, bundled with a browser-based web client. It p… | 23 | 1112 | abandoned |
| LocationReportEnabler A rooted Android app that enables Google Location Report, Google Now, and related services in mainland China by spoofing SIM operator prope… | 23 | 1112 | abandoned |
| ezaquarii/vpn-at-home A self-hosted web application (Django + Vue.js) that provides 1-click deployment of an OpenVPN server to a VPS, with a management console f… | 10 | 1105 | abandoned |
| AllanWang/Frost-for-Facebook Frost is an open-source third-party Facebook client for Android built as a web wrapper with extensive theming, multi-account support, and n… | 10 | 1095 | abandoned |
| Kenguba/google-access-helper A cracked (modified) version of the 'Google Access Helper' Chrome extension that bypasses the Great Firewall to access Google services and … | 67 | 1093 | abandoned |
| samuelmeuli/mini-diary Mini Diary is a simple, secure journaling desktop app built with Electron and React, featuring password-encrypted local storage, full-text … | 10 | 1090 | abandoned |
| sdushantha/tmpsms tmpsms is a POSIX sh command-line utility for obtaining a temporary phone number and receiving SMS messages via Upmasked's temporary SMS se… | 23 | 1083 | abandoned |
| guardianproject/ChatSecureAndroid ChatSecure for Android was a free and open-source secure messaging app built on XMPP/Jabber with OTR encryption, SQLCipher local storage, a… | 10 | 1069 | abandoned |
| LockerProject/Locker Locker is an open-source personal data platform ('the me platform') that collects a user's data from various online services, apps, and dev… | 32 | 1060 | abandoned |
| EFForg/crocodilehunter Crocodile Hunter is an EFF tool that detects fake 4G/LTE cell towers (IMSI catchers/stingrays) using software-defined radios like LimeSDR, … | 10 | 1059 | abandoned |
| Privacy A personal data breach detection service that let users check whether their email, phone number, or identity information had been exposed i… | 10 | 1056 | abandoned |
| runfalk/synology-wireguard A set of build scripts that packages the WireGuard kernel module and wg/wg-quick command-line tools for Synology DSM NAS devices. It ships … | 10 | 1043 | abandoned |
| cloudroc/baidu-nolimit A tiny Chrome extension that bypasses Baidu Netdisk's large-file download restrictions by spoofing the navigator.platform property so the w… | 32 | 1041 | abandoned |
| WereDev/Wu10Man Wu10Man is a Windows desktop application for enabling or disabling Windows 10 automatic updates by managing services and registry settings.… | 10 | 1023 | abandoned |
| imengyu/JiYuTrainer A portable Windows desktop utility that counters the JiYu (极域) Electronic Classroom management software used in Chinese school computer lab… | 10 | 1011 | abandoned |
| MultiApp MultiApp is a customizable virtual Android container written in Kotlin that lets users run multiple instances of the same app on one device… | 59 | 1002 | abandoned |
| LetsGo666/LetsGo_1 A repository that claims to be GitHub profile config files but actually serves as an advertisement for 'LetsGo' (快连), a commercial VPN/circ… | 32 | 993 | abandoned |
| FutureUniant/WorkShadow WorkShadow is a local-first desktop work journal app built with Tauri, React, and Rust, offering rich-text logging, keyword and semantic se… | 68 | 13 | active |
| Immich Immich is a high-performance, self-hosted photo and video management solution that serves as a Google Photos alternative. It consists of a … | 95 | 116433 | active |
| Odysseus AI Workspace Odysseus is a self-hosted, privacy-first AI workspace that combines chat, autonomous agents, tools/MCP integration, model serving, and deep… | 57 | 87526 | active |
| Z4nzu/hackingtool An all-in-one, menu-driven Python toolkit that aggregates 215 curated security testing tools across 21 categories such as recon, OSINT, web… | 73 | 80077 | active |
| AnythingLLM AnythingLLM is an all-in-one, local-first AI application for chatting with your documents, running AI agents, and building workflows entire… | 97 | 67412 | active |
| oobabooga/textgen TextGen is an open-source desktop application for running large language models locally with full privacy and no telemetry. It provides a c… | 83 | 47700 | active |
| mitmproxy/mitmproxy mitmproxy is an interactive, SSL/TLS-capable intercepting proxy for HTTP/1, HTTP/2, HTTP/3, and WebSockets, offered as a console tool (mitm… | 89 | 45113 | stable |
| juanfont/headscale Headscale is an open-source, self-hosted implementation of the Tailscale control server written in Go. It coordinates WireGuard-based mesh … | 100 | 44768 | active |
| GyulyVGC/sniffnet Sniffnet is a free, open-source cross-platform GUI application for monitoring and analyzing network traffic, written in Rust. It lets users… | 87 | 41559 | active |
| lfnovo/open-notebook Open Notebook is an open-source, privacy-focused alternative to Google's Notebook LM that lets users organize multi-modal sources (PDFs, vi… | 90 | 40397 | active |
| PhotoPrism PhotoPrism is an AI-powered, privacy-first web application for browsing, organizing, and sharing personal photo and video collections. It a… | 93 | 40276 | active |
| Frigate Frigate is an open-source, self-hosted network video recorder (NVR) that performs real-time AI object detection on IP camera feeds locally … | 94 | 36476 | active |
| CyberChef CyberChef is a browser-based web application for performing a wide range of 'cyber' operations such as encryption, encoding, compression, h… | 98 | 36120 | active |
| ArchiveBox ArchiveBox is an open-source, self-hosted web archiving application that saves URLs, browser history, bookmarks, RSS feeds, and social medi… | 99 | 28737 | active |
| dev-sidecar Dev-sidecar is an Electron desktop proxy tool that accelerates access to GitHub, Stack Overflow, and npm for developers in China by interce… | 94 | 24442 | active |
| Pangolin Pangolin is an open-source, identity-aware remote access platform built on WireGuard that combines VPN and tunneled reverse proxy capabilit… | 85 | 23082 | active |
| MobSF/Mobile-Security-Framework-MobSF MobSF is an automated all-in-one mobile application security testing framework for Android, iOS, and Windows Mobile apps. It performs stati… | 94 | 21980 | active |
| Linkwarden Linkwarden is a self-hosted, open-source collaborative bookmark manager for collecting, reading, annotating, and preserving webpages. It ar… | 98 | 20155 | active |
| xming521/WeClone WeClone is an end-to-end Python framework for creating a personal AI digital twin by fine-tuning large language models on your exported cha… | 78 | 18278 | active |
| M2Team/NanaZip NanaZip is a fork of 7-Zip redesigned for modern Windows, featuring a Fluent Design UI, Windows 11 context menu integration, and dark mode.… | 98 | 15923 | active |
| Chocobozzz/PeerTube PeerTube is a free, open-source, self-hosted video streaming platform that uses ActivityPub federation to connect independent video hosting… | 98 | 15349 | stable |
| Seafile Seafile is an open-source, self-hosted cloud storage system providing high-performance file syncing, sharing, and encrypted libraries, orga… | 67 | 15337 | active |
| mickael-kerjean/filestash Filestash is a self-hosted, storage-agnostic web-based file manager that connects to nearly any storage backend (FTP, SFTP, S3, SMB, WebDAV… | 77 | 14817 | active |
| moonD4rk/HackBrowserData HackBrowserData is a self-contained Go CLI that extracts and decrypts browser data (passwords, cookies, history, bookmarks, credit cards, d… | 86 | 14545 | active |
| kopia/kopia Kopia is a fast, open-source backup and restore tool that creates encrypted, compressed, and deduplicated snapshots of files and directorie… | 93 | 14386 | stable |
| WeChatTweak A command-line tool that patches the WeChat macOS client to add features like preventing message revocation, blocking automatic updates, an… | 65 | 13840 | active |
| MetaMask MetaMask is a self-custodial crypto wallet available as a browser extension (Chrome, Firefox, Brave, Edge, Opera) and mobile app, enabling … | 96 | 13242 | active |
| formbricks/formbricks Formbricks is an open-source, privacy-first experience management (XM) suite and Qualtrics alternative built around a survey platform. It s… | 94 | 13094 | active |
| wallabag wallabag is a self-hostable web application for saving web pages to read later, extracting article content while stripping ads and distract… | 75 | 12994 | stable |
| umbrelOS umbrelOS is a home server operating system for self-hosting apps on your own hardware, with an app store of 300+ one-click installable appl… | 93 | 12376 | active |
| dreamhunter2333/cloudflare_temp_email A self-hosted temporary/disposable email service built entirely on Cloudflare's free tier (Workers, Pages, Email Routing). It provides a mo… | 94 | 11944 | active |
| H2O h2oGPT is an Apache-2.0 open-source application for chatting with local, private LLMs and querying/summarizing your own documents (PDFs, Wo… | 10 | 11942 | active |
| altic-dev/FluidVoice FluidVoice is an open-source (GPLv3) macOS dictation app that transcribes speech to text entirely on-device using models like Parakeet, Whi… | 83 | 11931 | active |
| jo-inc/camofox-browser A self-hosted anti-detection browser server for AI agents, wrapping the Camoufox Firefox fork that spoofs fingerprints at the C++ level. It… | 83 | 11663 | active |
| schlagmichdoch/PairDrop PairDrop is a browser-based, AirDrop-like file sharing app that transfers files peer-to-peer between devices on the same local network or o… | 65 | 11482 | active |
| linkding linkding is a self-hosted bookmark manager built with Django, designed to be minimal, fast, and easy to deploy via a single Docker containe… | 96 | 11255 | stable |
| RunAnywhere RunAnywhere is a set of cross-platform SDKs (Swift, Kotlin, React Native, Flutter, TypeScript, C++) over a shared C++ core for running AI m… | 86 | 10332 | active |
| open-jarvis/OpenJarvis OpenJarvis is a Python framework for building local-first personal AI agents that run on your own hardware, with cloud APIs as an optional … | 70 | 10144 | active |
| thewhiteh4t/seeker Seeker is a security testing tool that hosts a fake website asking users for browser location permission, capturing GPS coordinates (longit… | 68 | 10055 | active |
| ImageOptim ImageOptim is a free, open-source macOS GUI application that losslessly compresses images by combining multiple optimization tools like Moz… | 70 | 10001 | stable |
| AGWA/git-crypt git-crypt is a command-line tool that provides transparent encryption and decryption of selected files in a git repository. It lets teams s… | 39 | 9943 | active |
| DiceBear DiceBear is an open source avatar library that deterministically converts seed strings (usernames, emails, IDs) into customizable SVG avata… | 97 | 9831 | stable |
| TencentCloud/Octop Octop is an open-source, self-hosted AI assistant built on a multi-agent, multi-user architecture that runs entirely on your own machine. I… | 81 | 9697 | active |
| Bark Bark is a free, open-source iOS app that lets you push custom notifications to your iPhone via simple GET/POST HTTP requests, using APNs wi… | 77 | 9280 | active |
| papermark/papermark Papermark is an open-source, self-hostable DocSend alternative for securely sharing documents and running virtual data rooms, with built-in… | 69 | 9211 | active |
| NSFWJS NSFWJS is a JavaScript library that uses TensorFlow.js to classify images into NSFW/safety categories (Drawing, Neutral, Sexy, Hentai, Porn… | 79 | 9007 | active |
| p1ngul1n0/blackbird Blackbird is a Python CLI OSINT tool that searches for user accounts by username or email across 600+ social networks and platforms, levera… | 43 | 8982 | active |
| owncloud/core ownCloud Core is the server-side component of ownCloud Classic, a self-hosted file storage, sync, and sharing platform written in PHP. It p… | 99 | 8837 | stable |
| orbitdb/orbitdb OrbitDB is a serverless, distributed peer-to-peer database library built on IPFS and Libp2p Pubsub, using Merkle-CRDTs for conflict-free re… | 66 | 8810 | active |
| a-ghorbani/pocketpal-ai PocketPal AI is an open-source mobile app that runs GGUF language models entirely on-device for private, offline chat. It supports model do… | 87 | 8747 | active |
| vastsa/FileCodeBox FileCodeBox is a lightweight self-hosted file and text sharing service where uploaders receive a passcode that recipients enter to retrieve… | 96 | 8559 | active |
| Wildfire IM Wildfire IM is a professional-grade instant messaging and real-time audio/video solution with a Java-based IM server, push/robot/app server… | 89 | 8559 | active |
| LC044/WeChatMsg WeChatMsg (留痕/MemoTrace) is a desktop application built with PyQt that extracts, exports, and preserves WeChat chat history on a user's own… | 55 | 42101 | maintenance |
| n4ze3m/page-assist Page Assist is an open-source browser extension that adds a sidebar and web UI for interacting with locally running AI models like Ollama f… | 91 | 8225 | active |
| LibrePhotos LibrePhotos is a self-hosted, open-source photo management service built with Django and React. It offers AI-powered features like face rec… | 100 | 8112 | active |
| Osaurus Osaurus is a native Swift macOS application that acts as a local-first AI harness, running open models on Apple Silicon (via MLX and Apple … | 82 | 8065 | active |
| BTCPay Server BTCPay Server is a free, open-source, self-hosted Bitcoin payment processor written in C#. It lets merchants accept direct, non-custodial B… | 99 | 7814 | stable |
| sindresorhus/caprine Caprine is an unofficial, privacy-focused Facebook Messenger desktop client built with Electron. It offers themes, keyboard shortcuts, menu… | 52 | 7392 | stable |
| GetPublii/Publii Publii is a free, open-source desktop CMS (built with Electron) for creating static websites with a WordPress-like GUI, available for Windo… | 99 | 7339 | active |
| JerryZLiu/Dayflow Dayflow is an open-source, local-first macOS app that automatically turns your screen activity into a timeline of what you accomplished, us… | 81 | 7276 | active |
| magnitudedev/magnitude Magnitude is an open-source CLI tool and agent that bundles local LLM inference with an agent harness, profiling your hardware to recommend… | 82 | 7269 | active |
| Roundcube Webmail Roundcube Webmail is a browser-based, multilingual IMAP email client written in PHP with an application-like user interface. It offers full… | 94 | 7192 | stable |
| flwrlabs/flower Flower (flwr) is an open-source Python framework for building federated and collaborative AI systems, supporting any ML framework such as P… | 99 | 7162 | active |
| Sandstorm Sandstorm is a self-hostable web productivity suite implemented as a security-hardened web app package manager. It lets users install and r… | 75 | 7077 | active |
| Openpanel-dev/openpanel OpenPanel is an open-source web and product analytics platform serving as a Mixpanel alternative, offering funnels, cohorts, user profiles,… | 69 | 7041 | active |
| 0xERR0R/blocky Blocky is a fast, lightweight DNS proxy and ad-blocker for local networks, written in Go. It blocks ads and malware via external allow/deny… | 97 | 7011 | active |
| shiaho777/web-to-app WebToApp is an Android application that lets users build signed, installable APKs from web projects entirely on their phone, without a PC o… | 85 | 6961 | active |
| InterceptSuite/ProxyBridge ProxyBridge is a free, open-source universal proxy client (Proxifier alternative) that transparently redirects TCP and UDP traffic from any… | 84 | 6795 | active |
| superagent-ai/superagent Superagent is an open-source SDK and platform for securing AI applications and agents, offering runtime guardrails that block prompt inject… | 73 | 6759 | active |
| 11cafe/jaaz Jaaz is an open-source multimodal creative assistant application that serves as a privacy-focused, locally usable alternative to Canva and … | 49 | 6689 | active |
| cimbar libcimbar is an optimized C++ implementation of the cimbar (color icon matrix) high-density 2D barcode format for air-gapped data transfer … | 92 | 6491 | active |
| yadm-dev/yadm yadm is a Git-based command-line tool for managing dotfiles, keeping configuration files in place in $HOME while tracking them in a single … | 63 | 6438 | stable |
| TeamAmaze/AmazeFileManager Amaze File Manager is an open-source, Material Design file manager app for Android. It supports file operations, multi-tab browsing, root e… | 94 | 6410 | active |
| The Lounge The Lounge is a modern, responsive, self-hosted web-based IRC client built with Node.js and Vue.js. It acts as both a client and a bouncer,… | 93 | 6343 | active |
| loro-dev/loro Loro is a high-performance CRDT (Conflict-free Replicated Data Type) library that makes JSON-like application state collaborative, version-… | 95 | 6232 | active |
| truelockmc/streambert Streambert is a cross-platform Electron desktop application for streaming and downloading movies, TV series, and anime. It sources video st… | 75 | 6152 | active |
| Passbolt Passbolt Community Edition API is the JSON backend for the open source, security-first password manager for teams, built in PHP on CakePHP.… | 96 | 6136 | stable |
| OpenCloud OpenCloud is an open source file management, sharing, and collaboration platform written in Go, positioned as a sovereign alternative to Ne… | 86 | 6056 | active |
| TheLastGimbus/GooglePhotosTakeoutHelper A command-line tool that reorganizes a Google Takeout export of Google Photos into a single chronological folder, fixing file modification … | 23 | 5922 | active |