Showing 170 open source projects for "privacy"

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  • 1
    Privacy Badger

    Privacy Badger

    Privacy Badger automatically learns to block invisible trackers

    Privacy Badger is a browser extension that stops advertisers and other third-party trackers from secretly tracking where you go and what pages you look at on the web. If an advertiser seems to be tracking you across multiple websites without your permission, Privacy Badger automatically blocks that advertiser from loading any more content in your browser.
    Downloads: 6 This Week
    Last Update:
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  • 2
    App Privacy Policy Generator

    App Privacy Policy Generator

    A simple web app to generate a generic privacy policy for your Android

    A simple web app to generate a generic privacy policy for your Android/iOS apps.
    Downloads: 0 This Week
    Last Update:
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  • 3
    Mercury Browser

    Mercury Browser

    Privacy-focused web browser fork of Firefox

    ...It also includes usability patches that bring back features like the classic top bar and supports unsigned extensions for added flexibility. Mercury is tailored for users prioritizing speed and privacy and is available for both Linux and Windows​.
    Downloads: 28 This Week
    Last Update:
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  • 4
    Odysseus

    Odysseus

    Self-hosted AI workspace from PewDiePie

    ...It provides an interface for chat, agents, tools, research, model serving, email, and other AI-assisted productivity tasks. The project emphasizes local-first and privacy-first operation, with no telemetry by default. It is built for users who want a personal AI environment rather than a fully hosted commercial assistant. Odysseus can work with local models while still leaving room for external API use when the user chooses. It is especially useful for developers, researchers, and privacy-conscious users who want to consolidate AI work into one self-managed workspace.
    Downloads: 369 This Week
    Last Update:
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  • 5
    DuckDuckGo Android App

    DuckDuckGo Android App

    Privacy browser for Android

    DuckDuckGo is an app that gives you utmost privacy when browsing online. It stops you from getting tracked and protects your personal and private information, no matter where the internet may take you. Apart from providing standard browsing functionality, DuckDuckGo blocks all hidden third-party trackers, forces sites to use an encrypted connection where available, and provides a Privacy Grade rating for each website you visit.
    Downloads: 14 This Week
    Last Update:
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  • 6
    DuckDuckGo Browser Extensions

    DuckDuckGo Browser Extensions

    DuckDuckGo Privacy Essentials browser extension for Firefox, Chrome

    Privacy, simplified. One super-charged app, multiple types of privacy protection. The DuckDuckGo app provides the most comprehensive online privacy protection with the push of a button. With one download, you get a new everyday browser that offers seamless protection while you search and browse, and even access to tracking protection for emails you receive.
    Downloads: 16 This Week
    Last Update:
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  • 7
    cobalt

    cobalt

    Video and media downloader: Best way to save what you love

    Cobalt is an open-source media downloader and tool designed to provide a high-performance and privacy-focused alternative for interacting with online media content, particularly focused on downloading and processing media from various platforms. It emphasizes speed, reliability, and a clean user experience, allowing users to retrieve media without unnecessary tracking, ads, or intrusive elements commonly found in web-based tools.
    Downloads: 133 This Week
    Last Update:
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  • 8
    Betterfox

    Betterfox

    Firefox user.js for optimal privacy and security

    ...Because the preferences are text-based and version controlled, users can review and customize them to meet their own balance of privacy and convenience.
    Downloads: 16 This Week
    Last Update:
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  • 9
    Notesnook

    Notesnook

    A fully open source & end-to-end encrypted note taking alternative

    ...Free or Pro, you get the same level of privacy. Making privacy a paid feature means only the privileged few deserve it but privacy is your right. And rights don't have a price tag, or do they? To verify that your notes are actually encrypted (and we aren't just lying), you can use our open source tool, Vericrypt.
    Downloads: 10 This Week
    Last Update:
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  • 10
    Gladys Assistant

    Gladys Assistant

    A privacy-first, open-source home assistant

    Gladys Assistant is a privacy-first, open-source home assistant that integrates with various smart devices, allowing users to automate and control their home environment while ensuring data privacy.
    Downloads: 1 This Week
    Last Update:
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  • 11
    BentoPDF

    BentoPDF

    A Privacy First PDF Toolkit

    ...It offers functionality to merge, split, compress, rotate, and convert PDFs through an easy-to-deploy container or local installation, making it ideal for individuals and teams that handle large volumes of PDF files regularly. Because it runs entirely on your own system or server, BentoPDF helps ensure that sensitive documents never leave your environment — a critical consideration for privacy-conscious users or organizations with strict data policies. Its design aims to balance robust feature coverage with a simple setup process, typically involving a Docker image so you can start using the toolkit with minimal configuration. BentoPDF also supports automation via command line parameters or API calls, so it can be integrated into batch workflows or document pipelines.
    Downloads: 77 This Week
    Last Update:
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  • 12
    FreeTube

    FreeTube

    An Open Source YouTube app for privacy

    ...The app provides many features similar to the official YouTube experience — such as subscribing to channels, exploring trending content, and organizing playlists — while also offering privacy-centric options like using Tor or external proxies and hiding elements via distraction-free settings.
    Downloads: 74 This Week
    Last Update:
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  • 13
    Waterfox

    Waterfox

    Privacy browser built for users who value customization & control

    Waterfox is a free, open-source web browser and fork of Mozilla Firefox that’s built for users who prioritize privacy, performance, and customizability while still maintaining compatibility with modern web standards and extensions. It began as a 64-bit-focused fork and has grown into a full-featured browser available on Windows, macOS, Linux, and Android, making it a versatile alternative to mainstream browsers. Waterfox removes or disables much of Firefox’s telemetry and unnecessary data collection by default, giving users greater control over what is shared with third parties while still supporting classic and modern add-ons. ...
    Downloads: 63 This Week
    Last Update:
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  • 14
    Evercookie

    Evercookie

    Produces persistent, respawning "super" cookies in a browser

    ...The project was originally useful for showing how difficult it could be for users to fully remove tracking data from older browser environments. It is now most valuable as a privacy and security education tool rather than a recommended modern tracking library. evercookie helps developers, researchers, and privacy advocates understand why browser storage controls, cache clearing, and tracking protections matter. Its main value is exposing the risks of redundant client-side persistence and encouraging better privacy-respecting design.
    Downloads: 0 This Week
    Last Update:
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  • 15
    Cap CAPTCHA

    Cap CAPTCHA

    The privacy-first, self-hosted CAPTCHA for the modern web

    Cap is a privacy-first, self-hosted CAPTCHA system designed as a modern alternative to traditional third-party verification services. It replaces invasive tracking-based CAPTCHA solutions with a lightweight approach based on proof-of-work and client-side instrumentation. The system can be deployed independently, giving developers full control over user data and verification processes.
    Downloads: 2 This Week
    Last Update:
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  • 16
    user.js

    user.js

    Firefox privacy, security and anti-tracking: a comprehensive user.js

    A user.js is a configuration file that can control Firefox settings - for a more technical breakdown and explanation, you can read more in the wiki. The arkenfox user.js is a template that aims to provide as much privacy and enhanced security as possible and to reduce tracking and fingerprinting as much as possible - while minimizing any loss of functionality and breakage (but it will happen). Everyone, experts included, should at least read the wiki, as it contains important information regarding a few user.js settings. Note that we do not recommend connecting over Tor on Firefox. ...
    Downloads: 8 This Week
    Last Update:
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  • 17
    Steel Browser

    Steel Browser

    Open Source Browser API for AI Agents & Apps

    Steel Browser is a privacy-focused web browser built with security and performance optimizations, designed to minimize tracking and enhance user control.
    Downloads: 2 This Week
    Last Update:
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  • 18
    Operit AI

    Operit AI

    Powerful Android AI agent with tools, automation, and Linux shell

    ...A standout aspect of the project is its built-in Ubuntu 24 environment, which enables users to run Linux commands, scripts, and development tools in a mobile context. Operit supports both local and remote AI models, including offline execution through frameworks like llama.cpp and MNN, helping preserve user privacy while maintaining flexibility. Operit also includes an intelligent memory system that stores, organizes, and retrieves user interactions to provide more personalized and context-aware responses. In addition, it offers workflow automation, plugin extensibility, & a rich tool ecosystem, making it suitable for advanced productivity.
    Downloads: 1,517 This Week
    Last Update:
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  • 19
    Undiscord

    Undiscord

    Delete all messages in a Discord server

    ...It allows users to filter messages based on criteria such as date, channel, or content, enabling more targeted cleanup operations. undiscord also includes rate limiting and delay mechanisms to reduce the risk of triggering platform restrictions during large deletion tasks. It is commonly used for privacy management, account cleanup, or removing outdated content.
    Downloads: 13 This Week
    Last Update:
    See Project
  • 20
    Tutanota

    Tutanota

    Open source email service with a strong focus on security and privacy

    Tutanota is an open source email client focused on security and privacy. It is built with end-to-end encryption and 2FA, so you can be assured of utmost email security. Tutanota is always encrypted, so whether you’re using their secure webmail client, mobile apps or desktop clients, you can be sure to communicate securely.
    Downloads: 5 This Week
    Last Update:
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  • 21
    Min

    Min

    A fast, minimal browser that protects your privacy

    Tabs in Min take up less space, giving you more room to browse the web. Pages you haven’t looked at in a while fade out, letting you see what’s important, and Focus Mode hides your other tabs to prevent you from getting distracted. See quick definitions and answers with information from DuckDuckGo, including Wikipedia entries and more. Jump to any site quickly with fuzzy search. Or search through the full text of every page you've visited, even if you don't remember the title. Tabs in Min...
    Downloads: 17 This Week
    Last Update:
    See Project
  • 22
    CyberChef

    CyberChef

    A web app for encryption, encoding, compression and data analysis

    CyberChef, developed by GCHQ, is a versatile web application dubbed the "Cyber Swiss Army Knife." It enables users to perform a wide array of operations on data, including encryption, encoding, compression, and analysis, all within a browser interface.​
    Downloads: 68 This Week
    Last Update:
    See Project
  • 23
    PairDrop

    PairDrop

    PairDrop, Transfer Files Cross-Platform

    PairDrop is a self-hosted, open-source alternative to Apple's AirDrop, allowing users to share files between devices over the same local network without the need for an internet connection.
    Downloads: 87 This Week
    Last Update:
    See Project
  • 24
    RATS Search

    RATS Search

    BitTorrent P2P multi-platform search engine for Desktop

    ...Built with Electron and Vue.js, Rats Search emphasizes decentralization and anonymity, allowing users to explore content from distributed sources such as the BitTorrent Mainline DHT and WebTorrent. It supports filtering, magnet link generation, and acts as a privacy-conscious alternative to torrent search engines.
    Downloads: 165 This Week
    Last Update:
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  • 25
    drawio-desktop

    drawio-desktop

    Security-first diagramming for teams

    Security-first diagramming for teams. Bring your storage to our online tool, or go max privacy with the desktop app. Works with Google Drive and Google Workplace (G Suite). Use add-ons for Docs, Sheets and Slides. Works with OneDrive and Sharepoint. Office 365 app for Word, Powerpoint and Excel. Highest-rated Confluence app in the Atlassian Marketplace. Works in Jira too. Works with GitHub, GitLab and Dropbox for visual documentation in distributed teams.
    Downloads: 252 This Week
    Last Update:
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