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 |
|---|---|---|---|
| clash-verge-rev/clash-verge-rev Clash Verge Rev is a cross-platform desktop GUI client for the Clash Meta (mihomo) proxy core, built with Tauri 2 and Rust. It manages prox… | 94 | 150420 | active |
| v2rayN v2rayN is a free, open-source GUI proxy client for Windows, Linux, and macOS built in C#. It manages multiple proxy cores including Xray, s… | 98 | 117675 | stable |
| LocalSend LocalSend is a free, open-source, cross-platform app for securely sharing files and messages with nearby devices over the local network, ac… | 97 | 95060 | stable |
| Vaultwarden Vaultwarden is an unofficial, lightweight Rust implementation of the Bitwarden server API that works with official Bitwarden clients. It is… | 99 | 68819 | stable |
| uBlock Origin uBlock Origin is an efficient, wide-spectrum content blocker browser extension for Chromium-based browsers and Firefox. It blocks ads, trac… | 94 | 68563 | active |
| uBlock Origin uBlock Origin is a free, open‑source browser extension that blocks ads, trackers, and malicious scripts. It works on Chromium‑based browser… | 94 | 68563 | active |
| Pi-hole Pi-hole is an open‑source DNS sinkhole that blocks advertising and tracking domains for every device on a network. It runs on modest Linux … | 93 | 61062 | active |
| Raphire/Win11Debloat Win11Debloat is a lightweight PowerShell script that removes pre-installed bloatware apps, disables telemetry, and applies various registry… | 97 | 59487 | active |
| Joplin Joplin is an open-source, privacy-focused note-taking and to-do application that stores notes in Markdown and supports notebooks, tags, and… | 99 | 56805 | stable |
| chen08209/FlClash FlClash is a multi-platform proxy client built on ClashMeta with a Flutter-based Material You interface. It supports subscription links, mu… | 95 | 55006 | active |
| V2Ray V2Ray (Project V) is a network proxy platform written in Go for building proxies to bypass network restrictions and censorship. It supports… | 64 | 46932 | active |
| SiYuan SiYuan is a privacy-first, local-first note-taking and personal knowledge management application built around block-level editing, bidirect… | 94 | 46723 | active |
| Zen Browser Zen Browser is an open‑source, Firefox‑based desktop web browser that emphasizes privacy and productivity. It adds features like workspaces… | 87 | 44752 | active |
| Xray Xray-core is a high-performance, modular proxy platform written in Go. It supports multiple protocols (VLESS, VMess, Shadowsocks, Trojan, e… | 89 | 42060 | active |
| NewPipe NewPipe is a free, open-source, lightweight streaming front-end for Android that provides a privacy-friendly alternative to the official Yo… | 95 | 39818 | active |
| Umami Umami is a privacy-first, open-source web analytics platform that serves as an alternative to Google Analytics. It tracks traffic, campaign… | 97 | 39115 | stable |
| spacedriveapp/spacedrive Spacedrive is an open-source cross-platform file explorer powered by a virtual distributed filesystem written in Rust. It indexes files acr… | 67 | 39079 | active |
| huiyadanli/RevokeMsgPatcher A Windows GUI tool that patches PC WeChat, QQ, and TIM binaries to prevent message recall (anti-revoke), and optionally enables WeChat mult… | 63 | 38967 | active |
| AdguardTeam/AdGuardHome AdGuard Home is a free, open‑source DNS server that blocks ads, trackers, and malicious domains across an entire network. It supports moder… | 96 | 37244 | active |
| bitchat A decentralized peer-to-peer messaging app that combines offline Bluetooth LE mesh networking with internet-based Nostr protocol transport,… | 81 | 36273 | active |
| Flowseal/zapret-discord-youtube A Windows batchfile-based utility bundling bol-van's zapret and WinDivert to bypass DPI-based blocking and throttling of Discord and YouTub… | 88 | 34724 | active |
| V2Ray V2Ray (Project V) is a Go-based network proxy platform for building tunnels that bypass network restrictions and protect privacy. It suppor… | 95 | 34662 | active |
| MetaCubeX/mihomo MetaCubeX/mihomo (formerly Clash.Meta) is a cross-platform rule-based proxy core written in Go that supports multiple proxy protocols and f… | 96 | 34391 | active |
| Anoma Anoma is the reference implementation of the Anoma protocol, a distributed operating system that abstracts existing blockchains into config… | 78 | 33575 | active |
| VSCodium VSCodium provides freely-licensed (MIT) binary releases of Microsoft's VS Code, built via automated scripts without Microsoft branding, tel… | 92 | 33484 | active |
| XX-net/XX-Net XX-Net is an open-source proxy tool designed to bypass the Great Firewall (GFW) of China by disguising traffic as ordinary web traffic. It … | 86 | 33450 | active |
| Hiddify Hiddify is an open-source, ad-free multi-platform proxy/VPN client built on the Sing-box toolchain, supporting protocols like VLESS, VMess,… | 85 | 33224 | active |
| telegramdesktop/tdesktop The official open-source Telegram Desktop messenger client, built on the Telegram API and MTProto secure protocol. It is a full-featured cr… | 93 | 33052 | stable |
| StevenBlack/hosts StevenBlack/hosts is a curated collection of unified hosts files that block ads, trackers, malware, and other unwanted domains. It provides… | 93 | 31123 | active |
| Algo VPN Algo VPN is a set of Ansible scripts that automates deploying a personal WireGuard and IPsec (IKEv2) VPN server on common cloud providers. … | 73 | 30406 | active |
| DrKLO/Telegram The official open-source code for the Telegram messenger app on Android, written in Java. It allows developers to build their own Telegram … | 66 | 30055 | active |
| 233boy/v2ray A one-click V2Ray installation and management shell script for Linux servers. It automates installing the V2Ray core, configuring protocols… | 57 | 29693 | active |
| Ente Ente is an open-source, end-to-end encrypted cloud platform with client apps for photos (a Google Photos alternative), document/credential … | 95 | 29456 | active |
| Ente Ente is an open‑source, end‑to‑end encrypted cloud service for storing photos, documents and credentials. It provides cross‑platform client… | 95 | 29456 | active |
| NetBird NetBird is an open-source zero-trust networking platform that builds WireGuard-based peer-to-peer overlay networks with centralized access … | 92 | 29443 | active |
| Signal Messenger Signal is a free, open-source private messenger offering end-to-end encrypted text, voice, and video communication, built on the Signal Pro… | 92 | 29393 | stable |
| Plausible Analytics Plausible Analytics is an open‑source, privacy‑first web analytics application built with Elixir and Phoenix. It provides a lightweight, co… | 86 | 29207 | active |
| ValdikSS/GoodbyeDPI GoodbyeDPI is a Windows command-line utility that bypasses Deep Packet Inspection (DPI) systems used by ISPs to block websites. It manipula… | 48 | 28689 | active |
| ungoogled-chromium A set of patches, scripts, and configuration that builds Google Chromium without dependency on Google web services or prebuilt binaries. It… | 94 | 27851 | active |
| ungoogled-chromium ungoogled-chromium is a fork of the Chromium browser that removes all dependencies on Google web services. It aims to retain the default Ch… | 94 | 27851 | active |
| vernesong/OpenClash OpenClash is a LuCI plugin that runs the Mihomo (Clash) proxy client on OpenWrt routers. It supports protocols like Shadowsocks, VMess, Tro… | 95 | 27664 | active |
| Fosowl/agenticSeek AgenticSeek is a fully local, privacy-focused AI assistant that serves as an open-source alternative to Manus AI. It runs reasoning models … | 64 | 27482 | active |
| wg-easy/wg-easy wg-easy is an all-in-one Docker application that runs a WireGuard VPN server together with a web-based admin UI for managing it. It lets ad… | 95 | 27046 | active |
| mihomo-party-org/clash-party Clash Party is an Electron-based cross-platform desktop GUI for the Mihomo (Clash Meta) proxy core. It offers subscription management, conf… | 91 | 26873 | active |
| GoogleChromeLabs/squoosh Squoosh is a browser-based web app for compressing images using modern codecs like MozJPEG, WebP, and AVIF, with all processing done locall… | 76 | 26026 | active |
| Invidious Invidious is an open-source, privacy-focused alternative front-end to YouTube written in Crystal. It lets users watch videos without ads or… | 92 | 25497 | active |
| Invidious Invidious is an open‑source, self‑hosted front‑end for YouTube that provides a privacy‑focused, ad‑free video streaming experience. It also… | 92 | 25497 | active |
| zama-ai/fhevm FHEVM is a full-stack framework from Zama that enables confidential smart contracts on EVM-compatible blockchains using Fully Homomorphic E… | 82 | 24800 | active |
| guillaumemeyer/watermarks-remover watermarks-remover is a Python‑based service and agent skill that strips AI provenance watermarks from text and a wide range of file format… | 78 | 24211 | active |
| age age is a simple, modern, and secure file encryption tool, format, and Go library with small explicit keys, no config options, and UNIX-styl… | 82 | 23906 | stable |
| Magic Wormhole Magic Wormhole is a Python library and command-line tool for securely transferring arbitrary-sized files, directories, or short text betwee… | 77 | 23006 | stable |
| Super Productivity Super Productivity is an open-source, local-first todo list and task management app with integrated timeboxing, time tracking, Pomodoro/Flo… | 95 | 22885 | active |
| MatsuriDayo/NekoBoxForAndroid NekoBox for Android is a universal proxy toolchain app for Android built on the sing-box core. It supports a wide range of proxy protocols … | 62 | 22802 | active |
| lissy93/personal-security-checklist Personal Security Checklist is an open‑source, web‑based guide that compiles 300+ actionable tips for protecting digital security and priva… | 77 | 22581 | active |
| Neko Neko is a self-hosted virtual browser that runs in Docker and streams a fully functional browser desktop to multiple users over WebRTC with… | 95 | 22529 | active |
| PromtEngineer/localGPT LocalGPT is a fully private, on-premise document intelligence platform that lets users chat with, summarize, and query their own documents … | 71 | 22197 | active |
| FreeTube FreeTube is an open-source desktop YouTube client built with privacy in mind, letting users watch videos without ads or Google tracking. Al… | 86 | 22073 | active |
| Atlas AtlasOS is an open-source modification to Windows that applies privacy, usability, and performance optimizations via an AME Wizard playbook… | 81 | 21852 | active |
| Helium Helium is a Chromium‑based web browser focused on privacy, consent and minimalism. It ships with built‑in ad and tracker blocking, !bang sh… | 84 | 21635 | active |
| hwanz/SSR-V2ray-Trojan A community‑maintained repository that curates and continuously updates recommendations for VPN/proxy services (often called "airports") su… | 72 | 20788 | active |
| Obtainium Obtainium is an Android app that installs and updates applications directly from their release pages on sources like GitHub, GitLab, and F-… | 95 | 20509 | active |
| yanue/V2rayU V2rayU is a native macOS client built with Swift that leverages the V2Ray core for proxying network traffic. It supports multiple protocols… | 86 | 20156 | active |
| Universal Android Debloater Universal Android Debloater is a cross‑platform graphical application written in Rust that uses ADB to uninstall or disable unwanted system… | 23 | 20010 | active |
| Universal Android Debloater A cross-platform desktop GUI application written in Rust that uses ADB to remove bloatware from non-rooted Android devices. It ships curate… | 23 | 20010 | active |
| Sandboxie Sandboxie Plus and Classic are open-source sandbox-based isolation applications for Windows that run programs in isolated environments with… | 100 | 19712 | active |
| SimpleX SimpleX Chat is a private messaging platform and set of mobile/desktop apps that operate without any user identifiers, delivering end-to-en… | 96 | 19495 | active |
| WebLLM WebLLM is a high‑performance in‑browser LLM inference engine written in TypeScript. It runs large language models directly in the browser u… | 90 | 19160 | active |
| browsh-org/browsh Browsh is a fully-modern text-based browser that renders real web pages (HTML5, CSS3, JS, video, WebGL) as text and basic graphics in a ter… | 33 | 19089 | active |
| ActivityWatch ActivityWatch is a free, open-source, automated time tracker that records which applications, windows, and websites you use across Windows,… | 87 | 19085 | active |
| ZeroNet ZeroNet is an open‑source platform that lets users create and browse decentralized websites using Bitcoin cryptography and the BitTorrent n… | 23 | 18776 | active |
| slackhq/nebula Nebula is a scalable overlay networking tool (mesh VPN) built on the Noise Protocol Framework, using certificates and security groups for m… | 93 | 18399 | stable |
| ginuerzh/gost GOST (GO Simple Tunnel) is a Go-based tunneling and proxy tool supporting HTTP/HTTPS/HTTP2/SOCKS4/SOCKS5/Shadowsocks protocols plus QUIC, K… | 64 | 18244 | active |
| netchx/netch Netch is a Windows GUI proxy client supporting protocols like Shadowsocks, ShadowsocksR, VMess, VLESS, Trojan, WireGuard, and SOCKS5. It of… | 65 | 17693 | active |
| Leon Leon is an open-source personal AI assistant that runs on your own server, combining tools, memory, and agentic execution with speech-to-te… | 86 | 17591 | active |
| zhishile/codex-auth-helper A Chrome (Manifest V3) browser extension that extracts a logged-in ChatGPT session locally and generates a Codex-compatible auth. credentia… | 54 | 17403 | active |
| goproxy GoProxy is a high-performance, cross-platform proxy server written in Go supporting HTTP(S), SOCKS5, SS, WebSocket, TCP, UDP, and DNS proxy… | 88 | 17142 | active |
| tindy2013/subconverter subconverter is a C++ utility and HTTP service that converts proxy subscription links between formats such as Clash, Surge, Quantumult X, S… | 60 | 17084 | active |
| yonggekkk/Cloudflare-vless-trojan A set of Cloudflare Workers/Pages proxy scripts supporting Vless-ws(tls) and Trojan-ws(tls) nodes, plus a local Socks5/HTTP proxy script wi… | 62 | 16415 | active |
| Cryptomator Cryptomator is an open-source desktop and mobile application that provides transparent client-side encryption for files stored in any cloud… | 94 | 16282 | stable |
| angristan/openvpn-install A Bash script that installs and manages a self-hosted OpenVPN VPN server on many Linux distributions. It handles client certificate generat… | 76 | 16155 | active |
| byJoey/cfnew A Cloudflare Workers application that deploys VLESS/Trojan/xhttp proxy nodes with optimized IP selection, generating subscription configs f… | 84 | 16114 | active |
| Gotify Gotify is a self-hosted server for sending and receiving real-time messages over WebSocket, with a REST API for pushing messages and a slee… | 98 | 16059 | stable |
| alam00000/bentopdf BentoPDF is a self-hostable, privacy-first PDF toolkit that runs entirely client-side in the browser using WebAssembly, offering 50+ tools … | 82 | 16002 | active |
| VERT VERT is an open-source web-based file converter that converts images, audio, documents, and video between 250+ formats. Non-video conversio… | 66 | 15671 | active |
| v2rayA v2rayA is a web GUI client for Project V (V2Ray/Xray) that supports VMess, VLESS, Shadowsocks, ShadowsocksR, Trojan, Tuic, and Juicity prot… | 98 | 15656 | stable |
| passteque/gluetun Gluetun is a lightweight VPN client packaged as a thin Alpine Docker container, written in Go, supporting many VPN providers via OpenVPN or… | 94 | 15598 | active |
| organicmaps/organicmaps Organic Maps is a free, open-source, privacy-first offline maps and GPS navigation app for Android and iOS built on OpenStreetMap data. It … | 98 | 15594 | active |
| Karing Karing is a free, cross-platform proxy utility built with Flutter that serves as a GUI for a modified sing-box core. It supports Clash, V2r… | 93 | 15593 | active |
| documenso/documenso Documenso is an open-source, self-hostable alternative to DocuSign for digitally signing documents, built with Next.js, TypeScript, and Pos… | 99 | 15463 | active |
| Mail-in-a-Box Mail-in-a-Box is a one-click, easy-to-deploy mail server appliance that turns a fresh Ubuntu 22.04 machine into a complete email provider w… | 93 | 15443 | active |
| amnezia-vpn/amnezia-client Amnezia VPN is an open-source, cross-platform VPN client (desktop and mobile) that can automatically deploy a self-hosted VPN server on you… | 93 | 15351 | active |
| txthinking/brook Brook is a cross-platform programmable network tool written in Go that provides encrypted proxy/VPN functionality with system-level network… | 85 | 15192 | active |
| Vosk Vosk is an offline open source speech recognition toolkit supporting 20+ languages with small models and a streaming API. It provides bindi… | 62 | 15164 | stable |
| duplicati/duplicati Duplicati is a free, open-source backup client that stores encrypted, incremental, compressed backups on cloud storage services and remote … | 95 | 15085 | active |
| nelvko/clash-for-linux-install A Shell-based one-click installer and management tool (clashctl) for deploying the mihomo/Clash proxy core on Linux, including web dashboar… | 71 | 14985 | active |
| Holehe Holehe is an OSINT tool that checks whether an email address is registered on 120+ sites (Twitter, Instagram, Snapchat, etc.) by abusing th… | 32 | 14958 | active |
| mvt-project/mvt Mobile Verification Toolkit (MVT) is a Python command-line toolkit for conducting forensic analysis of Android and iOS devices to detect tr… | 97 | 14938 | active |
| xcanwin/KeepChatGPT KeepChatGPT is a userscript/browser plugin that enhances ChatGPT's data security and usability. It keeps sessions alive, blocks tracking, d… | 69 | 14898 | active |
| guofei9987/blind_watermark A Python library for embedding and extracting blind (invisible) watermarks in images using DWT-DCT-SVD transforms, with watermark recovery … | 52 | 14809 | stable |
| Notesnook Notesnook is a fully open-source, end-to-end encrypted note-taking app positioned as a privacy-focused alternative to Evernote. It is a mon… | 93 | 14683 | active |
page 1 / 24 next →