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 |
|---|---|---|---|
| Countly Countly is a privacy-first, self-hostable product analytics and customer engagement platform with dashboards, crash reporting, push notific… | 94 | 5914 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| tasks/tasks Tasks is a free, open-source to-do list and reminders app for Android (with an alpha desktop version), revived from the discontinued Astrid… | 95 | 5665 | active |
| Neet-Nestor/Telegram-Media-Downloader A browser userscript (installable via Tampermonkey, Violentmonkey, etc.) that adds media download buttons to the Telegram webapp. It enable… | 61 | 5555 | active |
| nyblnet/bento Bento is a PowerPoint alternative that ships as a single self-contained HTML file containing the viewer, presenter, and editor alongside th… | 81 | 5522 | active |
| 3proxy/3proxy 3proxy is a tiny, free proxy server written in C supporting SOCKS, HTTP, HTTPS, FTP, and TLS proxying with traffic shaping, port mapping, a… | 96 | 5498 | stable |
| Augani/openreel-video OpenReel Video is a fully browser-based, open source video editor built with React, TypeScript, WebCodecs, and WebGPU. All editing and expo… | 80 | 5310 | active |
| beclab/Olares Olares is an open-source personal cloud operating system built on Kubernetes that turns your own hardware into a self-hosted AI platform fo… | 90 | 5299 | active |
| WriteFreely WriteFreely is a self-hosted, Markdown-based publishing platform for writers, built in Go as a single lightweight binary. It supports multi… | 95 | 5261 | stable |
| exiftool/exiftool ExifTool is a platform-independent Perl library plus a full-featured command-line application for reading, writing, and editing metadata in… | 66 | 5158 | stable |
| ngoduykhanh/wireguard-ui A self-hosted web user interface for managing WireGuard VPN setups, written in Go. It provides authentication, client management with extra… | 23 | 5151 | active |
| jinwyp/one_click_script A collection of one-click shell scripts for Linux servers that install latest or LTS Linux kernels and enable BBR or BBR Plus congestion co… | 67 | 5136 | active |
| homarr-labs/homarr Homarr is a self-hosted web dashboard for organizing and monitoring your apps and services, with 40+ integrations, built-in icons, and drag… | 90 | 5118 | active |
| v2board/v2board V2Board is a self-hosted web panel for managing multiple proxy protocols such as V2Ray, Shadowsocks, Trojan, VLESS, and Hysteria. It provid… | 23 | 5062 | active |
| DedSecInside/TorBot TorBot is a Python CLI tool for OSINT on the dark web, crawling .onion sites over the Tor network and building link trees. It can save craw… | 95 | 5045 | active |
| pritunl/pritunl Pritunl is a distributed enterprise VPN server built on the OpenVPN protocol (with WireGuard support), managed through a web interface and … | 92 | 5026 | active |
| iterate-ch/cyberduck Cyberduck is a libre file transfer and cloud storage browser for macOS and Windows, with a CLI for Linux, macOS, and Windows. It supports F… | 77 | 4851 | stable |
| saber-notes/saber Saber is a free, open-source, cross-platform notes app built for handwriting with a stylus or finger. It offers encrypted note sync across … | 94 | 4838 | active |
| Leo Programming Language Leo is an imperative, statically-typed programming language for writing zero-knowledge applications that compile to circuits for the Aleo b… | 98 | 4823 | active |
| EpicenterHQ/epicenter Epicenter is a local-first application platform and developer toolkit where an app's entire data set is a single CRDT (Yjs) document stored… | 79 | 4822 | active |
| HotCakeX/Harden-Windows-Security A suite of tools (Harden System Security app and AppControl Manager) that hardens Windows using only official, supported Microsoft methods,… | 95 | 4791 | active |
| HTTrack Website Copier HTTrack is a free offline browser utility that recursively downloads websites to a local directory, rewriting links so the mirrored copy ca… | 99 | 4780 | stable |
| openziti/zrok zrok is an open-source tool for securely sharing local web services, files, and TCP/UDP resources over the internet without firewall or NAT… | 98 | 4751 | active |
| codeforreal1/compressO CompressO is a free, open-source desktop app for compressing videos and images to tiny sizes entirely offline, built with Tauri, Rust, and … | 81 | 4707 | active |
| OpenZiti OpenZiti is an open-source zero-trust networking platform that provides programmable mesh overlay networks with cryptographic identity, pol… | 97 | 4403 | active |
| Lychee Lychee is a free, open-source, self-hosted photo management system with a web interface for uploading, organizing, and sharing photos. It r… | 95 | 4312 | active |
| adlered/CSDNGreener CSDNGreener is a Tampermonkey/Violentmonkey userscript that cleans up the CSDN website by removing ads, enabling copy without login, fixing… | 76 | 4260 | active |
| subnub/myDrive MyDrive is an open-source, self-hosted cloud file storage server similar to Google Drive, built with Node.js, Express, React, and MongoDB. … | 65 | 4233 | active |
| owncloud/android The official ownCloud Android client app, built in Kotlin, for accessing, syncing, and sharing files on ownCloud servers (both Infinite Sca… | 96 | 4171 | active |
| zakirullin/files.md Files.md is a simple, local-first note-taking app that stores everything as plain .md files on your own device, with a chat-like flow for c… | 71 | 4156 | active |
| numbersprotocol/nit Nit is a CLI tool that applies Git-like concepts to web3 digital assets, letting users commit an asset's activities (chronicle) as on-chain… | 25 | 4131 | active |
| sobolevn/git-secret git-secret is a bash-based command-line tool that encrypts private files with GPG public keys and stores them safely inside a git repositor… | 66 | 4048 | active |
| OpenHealthForAll/open-health OpenHealth is a self-hostable AI health assistant that consolidates personal health data (blood tests, checkups, wearables, symptoms) into … | 46 | 3954 | active |
| HFS HFS (HTTP File Server) is a self-hosted web file server that turns your computer into a file-sharing server, letting you share folders or s… | 97 | 3920 | active |
| MeshCore MeshCore is a lightweight C++ library and firmware implementing a hybrid multi-hop mesh routing protocol for LoRa packet radios, enabling e… | 84 | 3915 | active |
| DO-SAY-GO/tdf TDF (Tree Document Format) is a pair of native desktop apps for capturing live web browsing sessions into portable, offline-replayable .tdf… | 67 | 3910 | active |
| claraverse-space/ClaraVerse ClaraVerse is a self-hosted, privacy-focused AI workspace that combines chat, multi-agent teams, a visual workflow builder, RAG document pr… | 75 | 3905 | active |
| Piwigo Piwigo is an open source photo gallery and digital asset management (DAM) web application written in PHP, for organizing, sharing and contr… | 85 | 3863 | stable |
| justjavac/ReplaceGoogleCDN A Chrome browser extension that redirects requests to Google CDNs (fonts, libraries, reCAPTCHA, Gravatar) to China-accessible mirror domain… | 60 | 3697 | active |
| sw33tLie/macshot Macshot is a free, open-source, native macOS screenshot and screen recording tool built with Swift and AppKit. It offers region/window capt… | 77 | 3669 | active |
| tnodir/fort Fort Firewall is a standalone firewall application for Windows 7+ with its own kernel driver. It provides per-application network rules, ba… | 96 | 3634 | active |
| Urbit Urbit is a personal server stack built from scratch, consisting of an operating system kernel (Arvo), a virtual machine runtime (Vere), and… | 95 | 3620 | active |
| deta/surf Deta Surf is an open-source, local-first AI notebook for macOS, Windows, and Linux that lets users organize files, PDFs, websites, and YouT… | 72 | 3600 | active |
| hicccc77/WeFlow WeFlow is a fully local desktop application for viewing, analyzing, and exporting WeChat chat history, including yearly data reports and vi… | 61 | 15157 | maintenance |
| Ajaxy/telegram-tt Telegram Web A, an official Telegram web client built with a custom React-like framework (Teact) and GramJS MTProto implementation. It is a… | 99 | 3554 | active |
| roflcoopter/viseron Viseron is a self-hosted, local-only network video recorder (NVR) with built-in AI computer vision capabilities. It supports object detecti… | 96 | 3552 | active |
| abhinavsingh/proxy.py proxy.py is a fast, lightweight, zero-dependency Python library and CLI tool for building HTTP/HTTPS proxy servers and web servers, with pl… | 67 | 3552 | active |
| Modoboa Modoboa is an open-source mail hosting and management platform with a modern web UI, built in Python/Django and Vue. It integrates Postfix,… | 96 | 3537 | stable |
| vivizzz007/vivi-music VIVI Music is an open-source Android music player and YouTube Music client built with Kotlin and Material 3 Expressive design. It streams a… | 85 | 3472 | active |
| keshavbhatt/whatsie WhatSie is a feature-rich WhatsApp Web client for Linux and Windows desktops built with Qt WebEngine in C++. It wraps WhatsApp Web with nat… | 96 | 3457 | active |
| diced/zipline Zipline is a self-hosted file upload and URL shortening server with a feature-rich dashboard, designed as a ShareX-compatible upload target… | 98 | 3451 | active |
| mnemosyne-oss/mnemosyne Mnemosyne is a local-first, SQLite-backed memory layer for AI agents, exposing remember/recall APIs via a Python SDK and 30+ tools over MCP… | 82 | 3407 | active |
| duongductrong/Snapzy Snapzy is a free, open-source native macOS app for screenshots, screen recording, annotation, and OCR, built with SwiftUI, AppKit, and Scre… | 78 | 3342 | active |
| QiuYannnn/Local-File-Organizer A privacy-focused desktop application that uses on-device AI models (Llama3.2 3B and Llava v1.6 via Nexa SDK) to scan, understand, and reor… | 14 | 3340 | active |
| AtomicBot-ai/atomic-agent Atomic Agent is a local-first AI agent that runs entirely on your machine, using quantized models via llama.cpp to browse the web, edit fil… | 78 | 3326 | active |
| Storj Storj is a decentralized, S3-compatible cloud object storage network that encrypts files, splits them into pieces, and distributes them acr… | 95 | 3283 | active |
| hydrusnetwork/hydrus Hydrus Network is a desktop media management application that organizes large file collections with tags instead of folders, in a booru-sty… | 95 | 3238 | active |
| GuidoBartoli/sherloq Sherloq is an open-source digital image forensic toolset providing an integrated GUI environment for analyzing images for tampering and aut… | 70 | 3223 | active |
| ananthakumaran/paisa Paisa is a self-hosted personal finance manager that provides a web/desktop GUI on top of the ledger plain-text double-entry accounting too… | 86 | 3222 | active |
| tale/headplane Headplane is a feature-complete web UI for Headscale, the self-hosted alternative to Tailscale's WireGuard-based VPN coordination server. I… | 89 | 3181 | active |
| Project-N-E-K-O/N.E.K.O Project N.E.K.O. is an open-source AI companion application — a proactive catgirl-style AI that lives on your desktop, initiates interactio… | 84 | 3087 | active |
| mtlynch/picoshare PicoShare is a minimalist, self-hosted web application written in Go for sharing files of any size or type via direct download links. It ru… | 92 | 3059 | active |
| gruns/ImmortalDB ImmortalDB is a resilient key-value store for the browser that redundantly persists data across Cookies, IndexedDB, and LocalStorage. It us… | 27 | 3058 | active |
| mahlernim/google-timeline-visualizer An Android app (with an iPhone web app) that turns Google Maps Timeline (Location History) exports into an animated travel video. Users sel… | 83 | 3049 | active |
| Natively-AI-assistant/natively-cluely-ai-assistant Natively is a free, source-available desktop AI meeting assistant and interview copilot that provides real-time transcription, AI-generated… | 83 | 3036 | active |
| TieZ Clipboard Manager TieZ is a cross-platform clipboard manager built with Tauri 2 and Rust that captures text, rich text, images, and file paths into a searcha… | 73 | 3014 | active |
| sakai135/wsl-vpnkit wsl-vpnkit is a tool that restores network connectivity to WSL 2 when a Windows VPN blocks it, using vpnkit/gvproxy to route traffic withou… | 85 | 2969 | active |
| idootop/MagicMirror MagicMirror is a desktop application for instant AI face swapping in photos, built with Tauri. It runs entirely offline on standard hardwar… | 34 | 2922 | active |
| destan19/OpenAppFilter OpenAppFilter (OAF) is a parental control and application filtering plugin for OpenWrt routers, built as a kernel module, service daemon, a… | 91 | 2904 | active |
| IacobIonut01/ReFra ReFra is a free and open-source media gallery app for Android built with Jetpack Compose and Kotlin. It offers photo and video browsing and… | 98 | 2901 | active |
| moltis-org/moltis Moltis is a secure, self-hosted personal AI agent server written in Rust that ships as a single binary with sandboxed execution, multi-prov… | 75 | 2867 | active |
| defguard Defguard is a self-hosted zero-trust access management platform combining WireGuard VPN with built-in MFA/2FA, identity and access manageme… | 99 | 2866 | active |
| yujincheng08/BiliRoaming BiliRoaming is an Xposed module for rooted Android devices that removes regional restrictions on anime (bangumi) content in the Bilibili ap… | 10 | 11548 | maintenance |
| snapotter-hq/SnapOtter SnapOtter is an open-source, self-hosted file-processing suite offering 200+ tools across image, video, audio, PDF, and document modalities… | 78 | 2830 | active |
| rusq/slackdump Slackdump is a Go CLI tool that archives private and public Slack messages, threads, files, users, channels, and emojis locally without req… | 97 | 2807 | active |
| dmotz/trystero Trystero is a JavaScript/TypeScript library that adds serverless WebRTC peer discovery and communication to web apps, using BitTorrent, Nos… | 98 | 2781 | active |
| microsoft/clarity Microsoft Clarity is an open-source behavioral analytics library written in TypeScript that tracks DOM mutations and user interactions to g… | 77 | 2755 | active |
| dimdenGD/OldTwitter A browser extension that restores the old Twitter layout from 2015 (with an optional 2018 design) by fully replacing the modern Twitter cli… | 98 | 2734 | active |
| gurucomputing/headscale-ui Headscale-UI is a web frontend for the headscale Tailscale-compatible coordination server, built with SvelteKit and Tailwind CSS. It is dis… | 68 | 2730 | active |
| patterniha/SNI-Spoofing A Python CLI tool that bypasses Deep Packet Inspection (DPI) by manipulating IP and TCP headers, such as spoofing SNI fields. It is used to… | 48 | 2719 | active |
| getumbrel/llama-gpt LlamaGPT is a self-hosted, offline ChatGPT-like chatbot powered by Llama 2 and Code Llama models via llama.cpp, with all data staying on th… | 29 | 10926 | maintenance |
| TermuxHackz/X-osint X-osint is an open-source Python-based OSINT framework for gathering information about phone numbers, email addresses, IP addresses, VINs, … | 69 | 2701 | active |
| abi/secret-llama Secret Llama is a fully private LLM chatbot that runs entirely in the browser with no server or installation required, powered by the WebLL… | 25 | 2675 | active |
| DavidWells/analytics A lightweight, isomorphic JavaScript analytics abstraction library for tracking page views, custom events, and identifying visitors. It use… | 69 | 2666 | active |
| thewhiteh4t/pwnedOrNot pwnedOrNot is a Python command-line OSINT tool that checks email addresses against the HaveIBeenPwned v3 API for past breaches and then sea… | 62 | 2656 | active |
| papersgpt/papersgpt-for-zotero PapersGPT is a Zotero plugin that lets researchers chat with single PDFs, multiple documents, or their entire library using cloud LLMs (Cha… | 81 | 2653 | active |
| prateek-chaubey/YTPro YTPro is an alternative YouTube client for Android built with a WebView and JavaScript injection, offering ad blocking, background playback… | 80 | 2652 | active |
| WebThings Gateway WebThings Gateway is a self-hosted web application for monitoring and controlling smart home devices over the web, built on W3C Web of Thin… | 71 | 2645 | active |
| Pinvou/pinvou-agent Pinvou Agent is an open-source, local-first desktop AI agent workspace built with Rust and Tauri that combines chat, file operations, perso… | 67 | 2645 | active |
| insin/control-panel-for-twitter Control Panel for Twitter is a browser extension for desktop and mobile browsers that gives users more control over their Twitter/X experie… | 95 | 2642 | active |
| honmashironeko/ProxyCat ProxyCat is a self-hosted tunnel proxy pool middleware that turns short-lived proxy IPs into a stable fixed tunnel endpoint over HTTP/SOCKS… | 85 | 2632 | active |
| nelenkov/android-backup-extractor A Java command-line utility that extracts and repacks Android backup archives created with adb backup, based on AOSP's BackupManagerService… | 82 | 2585 | active |
| flyfish-dev/file-viewer A browser-native file preview library that renders Office documents (DOCX, XLSX, PPTX), PDF/OFD, CAD files (DWG, DXF), archives, email, dia… | 82 | 2559 | active |
| tldev/dorso Dorso is a macOS menu bar application that monitors your posture in real time using your Mac's camera or AirPods motion sensors. When it de… | 71 | 2559 | active |
| harry0703/AudioNotes AudioNotes is a locally-run web application that transcribes audio and video files into text and organizes them into structured Markdown no… | 64 | 2535 | active |
| antonmedv/textarea A minimalist browser-based text editor that stores all text compressed in the URL hash, requiring no backend or account. Notes can be share… | 57 | 2530 | active |
| helloSystem/hello helloSystem is a FreeBSD-based desktop operating system aimed at creators, emphasizing simplicity, elegance, and usability with a classic M… | 23 | 2467 | active |
| ArgeliusLabs/Chasing-Your-Tail-NG A Python application that monitors Wi-Fi probe requests via Kismet to detect whether a device is being physically followed. It correlates s… | 32 | 2444 | active |
| assafdori/bypass-mdm A shell script that bypasses Mobile Device Management (MDM) enrollment during macOS setup, supporting versions up to macOS Tahoe 26.3. It r… | 52 | 2425 | active |
| LogicLabs-OU/OpenArchiver OpenArchiver is an open-source, self-hosted platform for legally compliant email archiving and eDiscovery. It ingests email from Google Wor… | 87 | 2422 | active |