Open-source privacy software
526 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.
526 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| zama-ai/concrete-ml Concrete ML is a privacy-preserving machine learning library built on top of Zama's Concrete FHE compiler. It lets data scientists convert … | 65 | 1453 | active |
| crazy-max/WindowsSpyBlocker WindowsSpyBlocker is a Go application delivered as a single Windows executable that blocks spying and tracking on Windows systems. It captu… | 65 | 5217 | maintenance |
| omegaee/my-fingerprint A lightweight browser extension built on Manifest V3 that protects against browser fingerprinting across Chrome, Edge, and Firefox. It spoo… | 89 | 1441 | active |
| twoone-3/AdGuardHomeForRoot A Magisk/KernelSU/APatch module that runs AdGuardHome on rooted Android devices, providing a local DNS server that blocks ads, malware, and… | 88 | 1436 | active |
| openwpm/OpenWPM OpenWPM is a web privacy measurement framework built on Firefox with Selenium automation, designed to collect data from thousands to millio… | 91 | 1420 | active |
| danny0838/content-farm-terminator Content Farm Terminator is a cross-platform browser extension that identifies content farms by marking hyperlinks pointing to them and bloc… | 76 | 1415 | active |
| daboynb/Safetycore-placeholder A placeholder Android APK that occupies the com.google.android.safetycore package name so Google cannot install or update the real SafetyCo… | 66 | 1412 | active |
| matrix-org/matrix.to Matrix.to is a stateless, privacy-protecting URL redirection service for the Matrix ecosystem that turns matrix.to links into app-agnostic … | 64 | 1412 | stable |
| amitbl/blocktube BlockTube is a WebExtension for Chrome and Firefox that filters and blocks unwanted YouTube content such as videos, channels, and comments … | 59 | 1408 | active |
| haveno-dex/haveno Haveno is an open-source, non-custodial, peer-to-peer exchange platform for trading Monero against fiat currencies and other cryptocurrenci… | 100 | 1406 | active |
| corna/me_cleaner A Python script that modifies Intel ME/TXE firmware images to reduce the co-processor's ability to interact with the system, disabling it d… | 66 | 5051 | maintenance |
| Maasea/sgmodule A collection of Surge modules (sgmodule files) written in JavaScript that enhance or modify mobile apps and network behavior, such as remov… | 70 | 1395 | active |
| JiGuroLGC/BetterVia BetterVia is an Xposed module (for LSPosed/LSPatch) that enhances the Via browser on Android by removing built-in whitelist restrictions on… | 81 | 1381 | active |
| LSPosed/DisableFlagSecure An LSPosed/Xposed module that enables screenshots in apps that block them via FLAG_SECURE and disables screenshot and screen-record detecti… | 81 | 1379 | active |
| MhmRdd/NoHello NoHello is a Zygisk module written in C++ that hides root and Zygisk from Android apps. It supports Magisk, KernelSU, KernelSU Next, and AP… | 30 | 1352 | active |
| AdguardTeam/AdGuardExtra AdGuard Extra is a userscript and browser extension that combats ad-blocking circumvention on sites where regular filter rules fail. It wor… | 33 | 1350 | active |
| yourduskquibbles/webannoyances Web Annoyances Ultralist is a filter list for uBlock Origin and AdGuard that removes annoying web elements like sticky headers, floating vi… | 32 | 1348 | active |
| helloyanis/age-verification-bypass A Firefox WebExtension that skips age verification screens on sites like AgeChecker.net, AgeVerif, Bluesky, Reddit, and AliExpress. It is a… | 80 | 1346 | active |
| samyk/evercookie Evercookie is a JavaScript API that creates extremely persistent, respawning 'super' cookies by storing identifiers across a dozen-plus bro… | 36 | 4720 | maintenance |
| maqp/tfc Tinfoil Chat (TFC) is a peer-to-peer, end-to-end encrypted messaging system built on Tor onion services and high-assurance hardware archite… | 70 | 1322 | active |
| getdns Stubby is a local DNS Privacy stub resolver daemon that encrypts DNS queries using DNS-over-TLS (RFC 7858), built on the getdns library. It… | 33 | 1319 | active |
| gorhill/uMatrix uMatrix is a browser extension that lets users point-and-click filter network requests by source, destination, and type, acting as a firewa… | 10 | 4679 | maintenance |
| lexrus/VPNOn VPNOn is an open-source iOS app that adds a Today Widget to Notification Center, letting users toggle IPSec IKEv1/IKEv2 VPN connections in … | 10 | 4507 | maintenance |
| DimitarPetrov/stegify stegify is a Go command line tool and library for LSB (Least Significant Bit) steganography that hides any file inside images such as PNG a… | 23 | 1266 | stable |
| kairi003/Get-cookies.txt-LOCALLY A browser extension for Chrome and Firefox that exports cookies in Netscape cookies.txt or JSON format entirely locally, without transmitti… | 42 | 1260 | active |
| HemmeligOrg/Hemmelig.app Hemmelig is a self-hostable web application for sharing sensitive information via encrypted, self-destructing secret links with client-side… | 10 | 1248 | active |
| sogonov/anubis An Android app manager that freezes and unfreezes groups of apps based on VPN connection state using system-level `pm disable-user` via Shi… | 62 | 1224 | active |
| hoo-dles/morphe-patches A collection of patches for the Morphe patcher that modify Android apps, such as unlocking premium features, skipping ads, and disabling te… | 82 | 1223 | active |
| Clean Flash A repository of clean, spyware-free builds of Adobe Flash Player, stripped of the bundled adware and telemetry found in the Chinese Flash v… | 74 | 1222 | active |
| BiliUniverse/Universe BiliUniverse is a collection of enhancement modules for the Bilibili streaming platform, built as rewrite/script/MitM modules for proxy app… | 75 | 1206 | active |
| OpenFHE OpenFHE is an open-source C++ library for fully homomorphic encryption (FHE), implementing all major schemes (BFV, BGV, CKKS, FHEW/TFHE, LM… | 84 | 1202 | active |
| AdguardTeam/AdGuardMiniForMac AdGuard Mini for Mac is a free, open-source Safari extension that blocks ads, trackers, and annoyances like cookie notices and popups in th… | 91 | 1186 | active |
| ycngmn/Nobook Nobook is a lightweight, ad-free Android client for browsing Facebook, built with Kotlin and Jetpack Compose on top of a WebView. It blocks… | 10 | 1176 | active |
| hackademix/noscript NoScript Security Suite is a free open-source browser extension that lets users decide which websites are trusted to run JavaScript and oth… | 98 | 1162 | active |
| nonbili/Nora Nora is an open-source SNS browser for Android, iOS, and desktop that wraps social network websites (Facebook, Instagram, Reddit, Threads, … | 82 | 1142 | active |
| MinaMichita/AntiAntiDefraud An Xposed/LSPosed module for MIUI 14 that prevents Xiaomi's Security app (GuardProvider/AntiDefraud) from silently uploading the user's ins… | 22 | 1138 | active |
| ricochet-im/ricochet Ricochet is a cross-platform desktop instant messaging application that provides anonymous, metadata-resistant chat over Tor hidden service… | 23 | 3918 | maintenance |
| EchoHS/GeekezBrowser GeekEZ Browser is an anti-detect (fingerprint spoofing) browser built on Electron and Puppeteer with integrated Xray-core proxy support. It… | 80 | 1127 | active |
| MailTrackerBlocker MailTrackerBlocker is a mail bundle plugin and extension for Apple Mail on macOS that strips email trackers, read receipts, and spy pixels … | 73 | 1123 | active |
| lukaspieper/Gcam-Services-Provider A lightweight Android app that fakes only the minimal Google Play Services APIs required to run the Google Camera (Gcam) app on devices wit… | 71 | 1120 | active |
| Windscribe VPN The open-source (GPL-2.0) desktop VPN client for the Windscribe service, built in C++ for Windows, macOS, and Linux. It supports multiple V… | 92 | 1108 | active |
| gamehublite/gamehub-oss A privacy-focused modification of the GameHub Android game launcher that strips tracking, authentication, and bloat from the official APK. … | 10 | 1103 | active |
| builtbybel/privatezilla Privatezilla is a Windows 10 desktop application that performs a privacy and security check against about 60 critical privacy settings, let… | 23 | 3738 | maintenance |
| Dot Browser Dot Browser is a privacy-focused web browser built on Firefox's Gecko engine, with releases for Windows, macOS, Linux, and Android. This re… | 23 | 1087 | active |
| semihalev/sdns SDNS is a high-performance recursive DNS resolver server written in Go, with DNSSEC validation and a privacy-first design supporting DNS-ov… | 99 | 1086 | active |
| builtbybel/xd-AntiSpy xd-AntiSpy is a Windows 11 privacy utility that lets users disable telemetry and spy-related settings through a simple interface, continuin… | 15 | 1086 | active |
| jjolano/shadow Shadow is a jailbreak detection bypass tweak for jailbroken iOS devices, hooking detection APIs so apps cannot detect the jailbreak. It sup… | 84 | 1084 | active |
| PeterCxy/Shelter Shelter is a free and open-source Android app that uses the Work Profile feature to create an isolated space for installing or cloning apps… | 57 | 3629 | maintenance |
| apple/security-pcc Apple's source code for Private Cloud Compute (PCC), the infrastructure that runs Apple Intelligence requests in a privacy-preserving cloud… | 56 | 1059 | active |
| εxodus The εxodus Android app shows which trackers are embedded in the apps installed on your smartphone and lists the permissions each app requir… | 43 | 1053 | active |
| zjyzip/AdClose AdClose is an Xposed framework module for Android that blocks in-app ads by preventing ad SDK initialization and intercepting ad network re… | 80 | 1026 | active |
| Aizistral-Studios/No-Chat-Reports A Minecraft mod that strips cryptographic signatures from chat messages and disables the Player Chat Reporting system introduced in Minecra… | 66 | 1017 | active |
| Embetty Embetty is a JavaScript library that embeds remote content such as tweets and YouTube videos into web pages without loading third-party tra… | 56 | 1016 | 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 |
| V2Ray An official Bash installer script (plus community config examples) that installs and manages V2Ray, a network proxy platform, on systemd-ba… | 10 | 875 | active |
| baacloud/url This repository is the official website/landing page for Baacloud, a commercial VPN and proxy service. It contains no source code, only lin… | 32 | 2852 | maintenance |
| xuhaoyang/ClashForAndroid A GUI application for Android that wraps the Clash rule-based tunnel proxy core. It lets users route device traffic through configurable pr… | 32 | 2820 | maintenance |
| Narasimha1997/fake-sms A Go-based command line tool that lets users skip SMS-based phone verification by obtaining temporary phone numbers from a third-party prov… | 32 | 2796 | maintenance |
| TheMRLL/WinXray WinXray is a Windows universal proxy client supporting Xray/V2Ray (vmess/vless), Shadowsocks, SSR, Trojan, Trojan-go, and NaïveProxy, built… | 23 | 2795 | maintenance |
| Aircoin-official/AirCash AirCash is a decentralized OTC (over-the-counter) platform implemented in Solidity that lets users buy and sell cryptocurrency with fiat mo… | 32 | 2725 | maintenance |
| wexond/browser-base Wexond is a modern, feature-rich web browser built on Electron and React, designed to be lighter than full Chromium by stripping Google ser… | 10 | 2718 | maintenance |
| dfd-tud/deda DEDA is a Python toolkit for extracting, decoding, and anonymising the yellow tracking dots that colour laser printers embed in printouts. … | 32 | 2655 | maintenance |
| vuvuzela/vuvuzela Vuvuzela is a metadata-private messaging system written in Go that hides who is talking to whom, even against nation-state adversaries, usi… | 32 | 2487 | maintenance |
| zerodytrash/Simple-YouTube-Age-Restriction-Bypass A browser extension and userscript that bypasses YouTube's age verification, letting users watch age-restricted videos without signing in. … | 26 | 2468 | maintenance |
| Ibit-to/google-unlocked Google Unlocked is an open-source browser extension that reveals Google search results hidden due to takedown complaints. It scans Google's… | 23 | 2393 | maintenance |
| abba23/spotify-adblock A Spotify adblocker for Linux implemented as a shared library that wraps cef_urlrequest_create and blocks requests to denylisted URLs via L… | 87 | 2241 | maintenance |
| SimonBrazell/privacy-redirect A browser extension that redirects requests to Twitter, YouTube, Instagram, Google Maps, Reddit, Google Search, and Google Translate to pri… | 10 | 2190 | maintenance |
| j0be/PowerDeleteSuite A browser bookmarklet for Reddit that lets users mass-edit and mass-delete their own comments and submissions using Reddit's API endpoints.… | 23 | 2187 | maintenance |
| einaregilsson/Redirector Redirector is a browser extension for Firefox, Chrome, Edge, Vivaldi and Opera that redirects URLs based on regex or wildcard patterns, lik… | 44 | 2094 | maintenance |
| Shpigford/knockoff A browser extension that filters pseudo-brand junk out of Amazon search results by detecting trademark-squat brand names and hiding, dimmin… | 70 | 2023 | 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 |
| duckduckgo/iOS The DuckDuckGo Privacy Browser for iOS, an open-source mobile web browser with built-in private search, third-party tracker blocking, ad bl… | 10 | 1951 | maintenance |
| psal/anonymouth Anonymouth is a Java-based desktop application that helps users anonymize documents by detecting and suggesting edits to stylometric patter… | 32 | 1950 | maintenance |
| Und3rf10w/kali-anonsurf A port of ParrotSec's anonsurf and pandora modules to Kali Linux, packaged as a deb installer. It routes all system traffic through TOR via… | 84 | 1934 | maintenance |
| ptrpaws/Oculess Oculess is a sideloaded Android app for Oculus Quest headsets that removes account requirements, disables telemetry apps, and enables backg… | 39 | 1873 | maintenance |
| intika/Librefox Librefox is a privacy- and security-hardened packaging of Firefox that applies 500+ settings, patches, and optional addons without forking … | 23 | 1782 | maintenance |
| 1tayH/noisy A Python script that generates random HTTP and DNS traffic noise in the background to obscure your real browsing patterns. It crawls config… | 32 | 1780 | maintenance |
| Ghr07h/Heimdallr Heimdallr is a fully passive Chrome extension for security professionals that identifies high-risk vulnerability framework fingerprints in … | 23 | 1684 | maintenance |
| TryCatchHCF/Cloakify CloakifyFactory is a Python-based text-based steganography toolset that converts any file type into lists of innocuous everyday strings (e.… | 23 | 1683 | maintenance |
| und3fined/medium-unlocker A browser extension that unlocks Medium.com member-only articles by bypassing Medium's GraphQL-based paywall. It serves as a replacement fo… | 23 | 1614 | maintenance |
| muleyo/VideoAdBlockForTwitch A browser extension that blocks ads on Twitch.tv by temporarily switching to an ad-free 480p stream during ad breaks and restoring original… | 23 | 1602 | maintenance |
| Picocrypt Picocrypt is a small, simple, and secure file encryption tool built in Go, using XChaCha20 and Argon2id. It offers a portable GUI applicati… | 10 | 1554 | maintenance |
| jordwest/news-feed-eradicator A browser extension that removes news feeds from social media sites and replaces them with an inspirational quote. It is built as a standar… | 83 | 1507 | maintenance |
| ageitgey/show-facebook-computer-vision-tags A simple Chrome extension that overlays the automated computer vision tags Facebook generates for images directly on your Facebook timeline… | 32 | 1485 | maintenance |
| Synzvato/decentraleyes Decentraleyes is a browser extension that emulates content delivery networks by serving popular CDN-hosted libraries (like JavaScript frame… | 10 | 1464 | maintenance |
| jonjomckay/fritter Fritter is an open-source, privacy-friendly Twitter frontend for mobile devices built with Dart/Flutter. It lets users browse tweets, profi… | 64 | 1449 | maintenance |
| Shariff Shariff is a JavaScript library that provides privacy-friendly social media share buttons for websites. It prevents social networks from tr… | 23 | 1399 | maintenance |
| Rafficer/linux-cli-community A community-maintained Linux command-line client for ProtonVPN, rewritten in Python from the original bash version. It manages OpenVPN-base… | 10 | 1362 | maintenance |
| v2net/ios A distribution site and repository for Shadowrocket, an iOS proxy client supporting SS/SSR/V2Ray protocols, including online installation, … | 23 | 1332 | maintenance |
| csns1/bypass-paywalls-chrome-clean-magnolia1234 A Chromium browser extension that bypasses paywalls on supported news sites, allowing users to read articles for free. It supports custom s… | 32 | 1321 | maintenance |
| Mechazawa/FuckFuckAdblock A single-file userscript that impersonates the FuckAdBlock.js adblock-detection library but always reports that no adblocker is present, so… | 10 | 1257 | maintenance |
| mozilla-mobile/focus-ios Firefox Focus for iOS is an open-source privacy-focused mobile web browser that automatically blocks online trackers and lets users erase h… | 10 | 1250 | maintenance |
| lucb1e/cookielesscookies A PHP demo showing how users can be tracked via HTTP ETag headers instead of cookies or localStorage. It serves as an educational proof-of-… | 34 | 1191 | maintenance |
| FDX100/Auto_Tor_IP_changer A Python CLI tool that automatically rotates your IP address at configurable intervals by leveraging the Tor network's SOCKS proxy (127.0.0… | 32 | 1180 | maintenance |
| umpox/zero-width-detection A demo application and utility library that invisibly encodes usernames into text using zero-width Unicode characters, and decodes them bac… | 47 | 1179 | maintenance |
| ihciah/clean-dns-bpf A Rust + eBPF/XDP tool that drops GFW DNS poisoning packets at the kernel level, allowing clean DNS resolution from 8.8.8.8 without a proxy… | 23 | 1115 | maintenance |
| utkusen/wholeaked wholeaked is a file-sharing tool written in Go that embeds a unique hidden signature for each recipient into a shared file. If the file lea… | 23 | 1102 | maintenance |
| mozilla/contain-facebook Facebook Container is a Firefox browser extension by Mozilla that isolates Facebook activity into a dedicated container tab. It prevents Fa… | 63 | 1069 | maintenance |
| bytedance/godlp godlp is a Go library from ByteDance for sensitive data discovery and de-identification (data loss prevention). It detects sensitive inform… | 10 | 1037 | maintenance |
| d4t4x/data-selfie Data Selfie is a browser extension for Chrome and Firefox that tracks your own behavior on Facebook and analyzes the collected data locally… | 32 | 1024 | maintenance |