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 |
|---|---|---|---|
| KOWX712/Tricky-Addon-Update-Target-List A KernelSU/Apatch/Magisk WebUI addon for configuring Tricky Store's target.txt on rooted Android devices. It provides a graphical interface… | 84 | 3493 | active |
| TrustTunnel TrustTunnel is a modern open-source VPN protocol originally developed by AdGuard VPN, with this repository containing the VPN endpoint (ser… | 81 | 3489 | active |
| ukanth/afwall AFWall+ is an open-source firewall application for rooted Android devices built on Linux iptables. It provides per-app granular control ove… | 91 | 3487 | active |
| oxylabs/free-proxy-list A repository promoting Oxylabs' free tier of US datacenter proxies (HTTP/HTTPS/SOCKS5), offering 5 US IPs, 20 concurrent sessions, and 5GB … | 51 | 3487 | active |
| Legcord/Legcord Legcord is a free, open-source custom Discord client that wraps the official Discord web app in an optimized Electron shell with built-in c… | 100 | 3482 | active |
| transmission-remote-gui/transgui Transmission Remote GUI is a cross-platform desktop front-end for remotely controlling a Transmission BitTorrent daemon via its RPC protoco… | 66 | 3466 | active |
| tamnd/kage kage is a Go CLI tool that clones websites into browsable offline folders by rendering each page in headless Chrome, snapshotting the final… | 73 | 3453 | active |
| adrienverge/openfortivpn openfortivpn is a command-line client for PPP+TLS VPN tunnel services, compatible with Fortinet VPN gateways. It spawns a pppd process and … | 76 | 3428 | active |
| hufrea/byedpi ByeDPI (ciadpi) is a C program implementing various DPI (Deep Packet Inspection) bypass methods, running as a local SOCKS proxy server. It … | 62 | 3427 | active |
| OpenBiliClaw OpenBiliClaw is a local-first, open-source AI content discovery agent that builds a private user profile from cross-platform usage, feedbac… | 78 | 3409 | active |
| Moli-X/Resources A curated collection of rewrite configurations, JavaScript scripts, and plugins for the iOS proxy apps QuantumultX, Loon, and Surge. It agg… | 75 | 3409 | active |
| IRNova/Nova-Proxy Nova Proxy is a censorship-resistant proxy panel deployed as a single Cloudflare Worker, providing VLESS, Trojan, Shadowsocks, and WARP sub… | 81 | 3390 | active |
| AnySoftKeyboard AnySoftKeyboard is a free, open-source on-screen keyboard application for Android supporting 50+ languages via external language packs. It … | 87 | 3387 | active |
| NextAlone/Nagram Nagram is a third-party Telegram client for Android, forked from NekoX, adding extra messaging features and customization options. It inclu… | 97 | 3369 | active |
| google/differential-privacy Google's collection of differential privacy libraries for computing ε- and (ε, δ)-differentially private statistics over datasets. It inclu… | 75 | 3369 | active |
| AChep/keyguard-app Keyguard is a multiplatform password manager client for the Bitwarden platform and KeePass (KDBX) files, built with Kotlin and Jetpack Comp… | 90 | 3366 | active |
| txthinking/google-hosts A set of shell scripts that find usable Google IP addresses by scanning CIDR ranges, testing SSL/ping, and generating a hosts file mapping … | 68 | 3366 | active |
| AdguardTeam/dnsproxy A DNS proxy server written in Go that supports all modern encrypted DNS protocols including DNS-over-TLS, DNS-over-HTTPS, DNSCrypt, and DNS… | 99 | 3365 | active |
| futo-org/android-keyboard FUTO Keyboard is a privacy-focused Android keyboard app forked from AOSP's LatinIME, offering offline voice input, swipe typing, autocorrec… | 83 | 3347 | active |
| nicedreamzapp/claude-code-local An MLX-native server for Apple Silicon that exposes an Anthropic-API-compatible endpoint so Claude Code and similar agents can run entirely… | 75 | 3344 | active |
| sabre-io/Baikal Baïkal is a lightweight, self-hosted CalDAV and CardDAV server built on sabre/dav for PHP. It provides a web admin interface for managing u… | 91 | 3323 | active |
| BlueWallet BlueWallet is an open-source, self-custody Bitcoin and Lightning Network wallet for iOS and Android, built with React Native and TypeScript… | 99 | 3322 | active |
| malmeloo/FindMy.py FindMy.py is a Python library for querying Apple's Find My network to fetch and decrypt the location of AirTags, Apple devices, and custom … | 91 | 3321 | active |
| johnbean393/Sidekick Sidekick is a native macOS app for chatting with local LLMs powered by a built-in llama.cpp backend, with RAG over local files, folders, an… | 75 | 3320 | active |
| Unexpected Keyboard Unexpected Keyboard is a lightweight, privacy-conscious open-source virtual keyboard (IME) for Android. Its signature feature is typing ext… | 98 | 3310 | active |
| Telegram-FOSS-Team/Telegram-FOSS An unofficial, FOSS-friendly fork of the official Telegram client for Android that removes proprietary binaries and replaces them with free… | 23 | 3309 | active |
| Converse.js Converse.js is a browser-based, fully client-side XMPP/Jabber chat client written in JavaScript. It can run as a standalone web app, a desk… | 89 | 3299 | active |
| Tornaco/Thanox Thanox is an Android system manager app delivered as an Xposed (LSPosed) module, with Magisk and Shizuku activation options, that hooks int… | 96 | 3296 | active |
| Tunnelblick/Tunnelblick Tunnelblick is a free, open-source graphical user interface for OpenVPN on macOS, managing both client and server connections. It is a nati… | 95 | 3287 | active |
| deltazefiro/Amarok-Hider Amarok is a lightweight Android privacy app that hides private files and apps with a single click by obfuscating file signatures or permiss… | 72 | 3284 | active |
| NeverDecaf/chromium-web-store A browser extension that enables installing extensions directly from the Chrome Web Store on ungoogled-chromium and other Chromium forks la… | 90 | 3282 | active |
| tuic-protocol/tuic TUIC is a standardized, implementation-agnostic network proxy protocol specification for relaying TCP and UDP traffic over QUIC with 0-RTT … | 29 | 3282 | active |
| Legrandin/pycryptodome PyCryptodome is a self-contained Python package of low-level cryptographic primitives, forked from PyCrypto with an almost drop-in compatib… | 100 | 3276 | active |
| Blokada Blokada is an open-source suite of mobile privacy apps for Android and iOS, including an ad blocker, VPN, and parental control app. It offe… | 67 | 3266 | active |
| homenc/HElib HElib is an open-source C++ library implementing homomorphic encryption, supporting the BGV scheme with bootstrapping and the CKKS approxim… | 23 | 3252 | stable |
| Tink Tink is a multi-language, cross-platform open source cryptographic library from Google that provides secure, easy-to-use APIs for encryptio… | 10 | 13538 | maintenance |
| Barabama/FreeNodes A Python crawler that aggregates free proxy nodes (v2ray, Clash, vmess, vless, trojan, ss) from public websites and publishes them as auto-… | 73 | 3238 | active |
| GladysAssistant/Gladys Gladys Assistant is a privacy-first, open-source smart home platform that runs locally via Docker on a mini-PC, NAS, or Raspberry Pi. It of… | 95 | 3237 | active |
| Off Grid AI Off Grid AI (OGAM) is a cross-platform mobile and desktop application that runs AI entirely on-device: GGUF LLM chat with vision, Whisper s… | 78 | 3234 | active |
| PartialVolume/shredos.x86_64 ShredOS is a small bootable Linux distribution for securely erasing disks using nwipe on x86 PCs, servers, and Intel-based Macs. It boots d… | 95 | 3231 | active |
| VNT VNT is a Rust-based VPN tool for quickly building virtual LANs across the internet, with NAT traversal, P2P tunnels, and point-to-network /… | 96 | 3228 | active |
| WG Tunnel WG Tunnel is a free and open-source Android client for WireGuard and AmneziaWG VPN tunnels, built in Kotlin with Jetpack Compose. It adds a… | 95 | 3227 | active |
| krille-chan/fluffychat FluffyChat is an open-source, nonprofit Matrix instant messaging client written in Flutter with a cute, easy-to-use Material You design. It… | 97 | 3212 | active |
| Taho Taho is a community-owned Web3 cryptocurrency wallet implemented as a browser extension, positioned as an open-source alternative to MetaMa… | 82 | 3205 | active |
| pglombardo/PasswordPusher Password Pusher is an open-source Ruby web application for securely sharing passwords, text, files, and URLs via encrypted, self-deleting l… | 93 | 3201 | active |
| f-droid/fdroidclient The official Android client for F-Droid, the free and open-source software repository system. It lets users browse, install, and update FOS… | 67 | 3199 | active |
| matthartman/ghost-pepper A free, open-source macOS menu bar app providing fully on-device speech-to-text dictation and meeting transcription using local Whisper, Pa… | 72 | 3186 | active |
| CatchTheTornado/text-extract-api A self-hosted FastAPI-based API that converts PDFs, Office documents, and images into Markdown or structured JSON using OCR engines (EasyOC… | 42 | 3183 | active |
| nicotine-plus/nicotine-plus Nicotine+ is a graphical client for the Soulseek peer-to-peer file-sharing network, written in Python with a GTK interface. It lets users s… | 94 | 3182 | active |
| jhaals/yopass Yopass is a self-hostable web application for securely sharing secrets, passwords, and files via one-time, auto-expiring links. Secrets are… | 100 | 3180 | active |
| crossutility/Quantumult-X Quantumult X is a network proxy and traffic manipulation tool for iOS, rebuilt from scratch with support for TUN-based traffic, HTTPS MitM … | 69 | 3178 | active |
| easychen/CookieCloud CookieCloud is a browser extension plus self-hosted server that syncs browser cookies and localStorage across devices with end-to-end encry… | 87 | 3171 | active |
| aliasvault/aliasvault AliasVault is a privacy-first, end-to-end encrypted password manager with a built-in email alias server, letting users create unique identi… | 86 | 3164 | active |
| netptop/siteproxy SiteProxy is a self-hosted online reverse proxy built on Hono that lets users browse blocked sites like YouTube, Twitter, and Google throug… | 90 | 3163 | active |
| nesaorg/nesa Nesa is a privacy-preserving AI inference platform that runs models like Llama, Mistral, and Stable Diffusion with end-to-end encryption us… | 22 | 3163 | active |
| am-cf-tunnel A JavaScript script deployed on Cloudflare Workers and Pages that generates free VLESS and Trojan proxy nodes and converts their configurat… | 88 | 3159 | active |
| ShadowsocksR V2Ray Trojan Android Client A fully featured Android client for the ShadowsocksR, V2Ray, and Trojan proxy protocols, written in Scala. It lets users route their device… | 23 | 3159 | active |
| ravachol/kew kew is a fast, immersive terminal music player written in C that plays local music files with gapless playback, album art, visualizers, and… | 97 | 3156 | active |
| milesmcc/shynet Shynet is a self-hosted, privacy-friendly web analytics application built with Django that tracks site visitors without cookies or required… | 61 | 3156 | active |
| uku/Unblock-Youku Unblock Youku is an open-source Chrome extension that lets users outside mainland China access Chinese web services such as video and music… | 32 | 3153 | active |
| mozilla/multi-account-containers A Firefox browser extension by Mozilla that separates browsing into color-coded containers with isolated cookie storage, letting users run … | 86 | 3146 | active |
| Virtual-Browser/VirtualBrowser VirtualBrowser is a free, open-source anti-fingerprint browser built on Chromium that lets users create and manage multiple isolated browse… | 88 | 3145 | active |
| HeyWillow/willow Willow is an open source, self-hosted voice assistant platform for ESP32-S3-BOX hardware, designed as a privacy-focused alternative to Amaz… | 84 | 3127 | active |
| ddworken/hishtory hiSHtory is a CLI tool that replaces your shell history with a richer, context-aware version storing the working directory, exit code, host… | 63 | 3120 | active |
| sub-web An enhanced frontend for the Subconverter subscription conversion tool, built with Vue, adding nearly a hundred remote configs, dark mode, … | 76 | 3111 | active |
| hardentools/hardentools Hardentools is a Windows utility that reduces the attack surface by disabling risky features in Windows 10/11, Microsoft Office, LibreOffic… | 35 | 3111 | active |
| adryfish/fingerprint-chromium A fingerprint browser built on Ungoogled Chromium that lets users spoof or control browser fingerprint characteristics to avoid detection. … | 83 | 3110 | active |
| OpenSC/OpenSC OpenSC is a set of open-source libraries and command-line tools for working with smart cards, focused on cards that perform cryptographic o… | 76 | 3097 | active |
| davesc63/GeoPort GeoPort is a cross-platform desktop application that simulates GPS location on iOS devices running iOS 17 and 18, letting users spoof their… | 58 | 3094 | active |
| fanqiang A curated collection of free censorship-circumvention tools, pre-configured one-click proxy browsers, and free proxy accounts/nodes (shadow… | 61 | 3080 | active |
| hwdsl2/wireguard-install A Bash script that automates setting up a WireGuard VPN server on various Linux distributions, with interactive and fully automatic install… | 75 | 3076 | active |
| 0xCUB3/wBlock wBlock is an open-source, next-generation ad blocker built as Safari content-blocking extensions for macOS, iOS, iPadOS, and visionOS. It s… | 91 | 3075 | active |
| SharpAI/DeepCamera DeepCamera is an open-source AI camera skills platform that runs local VLM scene analysis, object detection, face recognition, and person r… | 86 | 3075 | active |
| 6Kmfi6HP/EDtunnel EDtunnel is a proxy tool deployed on Cloudflare Workers and Pages that supports VLESS and Trojan protocols with configurable proxy IPs, SOC… | 55 | 3059 | active |
| bpc-clone/bpc_firefox_support Support and issue-tracking repository for Bypass Paywalls Clean, a Firefox browser extension that bypasses news site paywalls. Development … | 32 | 3058 | active |
| spacecowboy/Feeder Feeder is an open-source RSS/Atom/JSON Feed reader app for Android, built with Kotlin and Jetpack Compose. It runs entirely locally with no… | 97 | 3053 | active |
| whyorean/AuroraStore Aurora Store is a free and open-source Android app store client that lets users search, browse, and download apps directly from the officia… | 76 | 3053 | active |
| Geph Geph (迷霧通) is a modular Internet censorship circumvention system designed to defeat national-level filtering such as China's Great Firewall… | 32 | 3044 | active |
| GooseMod/OpenAsar OpenAsar is an open-source, drop-in replacement for Discord desktop's app.asar bootstrap file, written in JavaScript. It dramatically speed… | 81 | 3036 | active |
| corbindavenport/just-the-browser A collection of configuration files and installation scripts that disable AI features, telemetry, sponsored content, and other annoyances i… | 82 | 3034 | active |
| NexAlloy NexAlloy is an LSPosed (Xposed) module for rooted Android devices that applies ReVanced/Morphe-style patches to apps like YouTube, YouTube … | 90 | 3031 | active |
| icloud-photos-downloader/icloud_photos_downloader A command-line tool (icloudpd) that downloads all photos and videos from an iCloud account to local storage. It runs on Linux, Windows, and… | 82 | 12326 | maintenance |
| strongSwan strongSwan is an open-source, modular IPsec-based VPN solution implementing the IKEv2 (and IKEv1) key exchange protocols for securing IP tr… | 88 | 2994 | stable |
| mazzzystar/Queryable Queryable is an open-source iOS app that runs Apple's MobileCLIP (formerly OpenAI's CLIP) entirely on-device to search your photo album wit… | 59 | 2986 | active |
| onetimesecret/onetimesecret A self-hostable web service for sharing sensitive information like passwords via single-use, self-destructing links. Written in Ruby with R… | 95 | 2958 | active |
| matrix-org/synapse Synapse is the reference Matrix homeserver, an open-source server implementing the Matrix protocol for federated, end-to-end-encrypted comm… | 10 | 12099 | maintenance |
| openrecall/openrecall OpenRecall is an open-source, privacy-first digital memory tool that periodically takes screenshots of your screen, extracts text via local… | 40 | 2946 | active |
| kylecorry31/Trail-Sense Trail Sense is an open-source Android app that uses phone sensors (barometer, GPS, compass) to assist with hiking, backpacking, camping, an… | 93 | 2945 | active |
| Titanium Browser for Android Titanium Browser is a secure, fully open-source Chromium-based Android browser forked from GrapheneOS's Vanadium, with support for Chrome a… | 85 | 2945 | active |
| chenxiaolong/BCR BCR is a basic, automatic call recording app for rooted Android devices or devices running custom firmware, installed as a Magisk/KernelSU … | 97 | 2941 | active |
| TDesktop-x64/tdesktop 64Gram is an unofficial fork of Telegram Desktop written in C++, providing native 64-bit builds for Windows, Linux, and macOS with addition… | 97 | 2936 | active |
| flick9000/winscript WinScript is an open-source desktop and web tool for building custom Windows optimization scripts from scratch. It generates PowerShell scr… | 87 | 2936 | active |
| DAVx⁵ DAVx⁵ is an open-source Android app that synchronizes contacts, calendars, and tasks with CalDAV/CardDAV servers and provides live WebDAV f… | 98 | 2935 | stable |
| Padloc Padloc is an open-source, end-to-end encrypted password manager for individuals and teams, built as a monorepo with a Node.js backend serve… | 25 | 2923 | active |
| researchxxl/syncthing-android Syncthing-Fork is an Android application wrapping the Syncthing continuous file synchronization tool. It provides a maintained fork of the … | 81 | 2918 | active |
| Forceu/Gokapi Gokapi is a lightweight, self-hosted file-sharing server written in Go, serving as a Firefox Send alternative where only registered users c… | 85 | 2903 | active |
| pyllyukko/user.js A hardened user.js configuration template for Mozilla Firefox that enforces security and privacy settings. It limits tracking, fingerprinti… | 63 | 2893 | active |
| Patterniha Internet Freedom Suite A method and configuration toolkit that intercepts unencrypted browser traffic via a man-in-the-middle local proxy and forwards it to block… | 69 | 2890 | active |
| joye61/pic-smaller Pic Smaller is a free, open-source batch image compressor that runs entirely in the browser, supporting JPEG, PNG, WebP, GIF, SVG, AVIF, an… | 66 | 2879 | active |
| gzu-liyujiang/Android_CN_OAID An open-source Android library providing a unified solution for obtaining unique device identifiers, serving as an open alternative to the … | 78 | 2877 | active |