Open Source Apps with 'Google Chrome Extension' feature for Google Chrome

Open-source password manager with AES-256 encryption and device sync. Store and access encrypted logins across platforms like iOS and Android.

This efficient browser add-on blocks ads, trackers, and malware by default employing various filter lists, acting as a comprehensive wide-spectrum blocker.

Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.

Zotero is a free, easy-to-use tool to help you collect, organize, share research and cite your research sources directly in your favourite word processor, with 300 MB free online storage.

Open-source app tracking time on devices, maintaining privacy and versatility, with features like productivity insights, Pomodoro timers, and local data storage.

Adblock Plus is a free extension that allows you to - among other things - block annoying ads, disable tracking and block domains known to spread malware.

DownThemAll (or just dTa) is a powerful yet easy-to-use browser extension for Firefox, Chrome and Opera that adds new advanced download capabilities to your browser. DownThemAll lets you download all the links or images contained in a webpage and much more: you can refine your...

Privacy Badger is a browser-add on tool that analyzes sites to detect and disallow content that tracks you in an objectionable, non-consensual manner. When you visit websites, your copy of Privacy Badger keeps note of the "third party" domains that embed images...

This eye-care extension enables night mode creating dark themes for websites on the fly. Dark Reader inverts bright colors making them high contrast and easy to read at night.

SingleFile is an extension that helps you to archive a complete page into a single HTML file or HTM-File with Google Chrome and Chromium.

An AI-powered proofreading tool supports over 20 languages, offering free and premium versions with extensive grammar checks across multiple apps.

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Block ads, cookies, popups & other trackers. Ghostery sets you up for a private, transparent, and fast internet.

Koofr is a safe, secure and simple way to store, backup and share your documents, photos, videos and more. It offers up to 10 GB of free safe storage for your files with affordable upgrades and options to connect multiple cloud accounts.

Save web links and email newsletters, add notes and highlights, tag and favorite articles, and read distraction-free in a Markdown viewer online or offline.

Violentmonkey provides userscript support for Chrome, Opera, Maxthon and Firefox supporting most scripts for Greasemonkey and Tampermonkey.

Redesign the web with Stylus, a user styles manager.

Snowflake is a system to defeat internet censorship. People who are censored can use Snowflake to access the internet. Their connection goes through Snowflake proxies, which are run by volunteers.

Point & click to forbid/allow any class of requests made by your browser. Use it to block scripts, iframes, ads, facebook, etc.

Automatically handles GDPR consent dialogs in browsers, lets you set privacy preferences once, supports major browsers, and defaults to stricter privacy options.

LeechBlock is a simple free productivity tool designed to block those time-wasting sites that can suck the life out of your working day. All you need to do is specify which sites to block and when to block them.

Screenity is a privacy-friendly screen recording and annotation tool for Chromium browsers (Chrome/Edge/Brave). It supports screen, tab, and camera recording with microphone and/or system audio, plus built-in annotation tools while recording.

Open source crypto wallet for 100+ chains, featuring auto-chain switching and pre-sign security checks on Android, iOS, and desktop platforms.

PDF Viewer (aka pdf.js) is a new revolutionary extension using web standard technologies that allows you to display within Mozilla Firefox almost all PDF files found on the web without a plugin.

Blocks intrusive ads, boosts browser speed, and prevents tracking across all major browsers; supports customizable filters, Acceptable Ads, and over 30 languages.