Development

Get code examples instantly right from your google search results with the Grepper Chrome Extension.

Measure-it browser extension. Contribute to tsl143/measure-it development by creating an account on GitHub.

BetterTTV enhances Twitch with new features, emotes, and more.

Tons of features to improve your user experience on YouTube™!

Free and open source tool for syncing your bookmarks and browser data between your various browsers and devices.

Your Portal To The New, Open Internet.

A browser extension for Google Chrome and Firefox that lets you display the basic typographic styles of a text.

Insert instructional content into any web page

Geetest's CAPTCHA - a user-friendly CAPTCHA powered by AI. Protect your website and mobile apps against bot traffic. Start your free trial now!

Open-source Drive add-on that converts a Google Doc to simple, readable Markdown or HTML.

Navigate, operate, and browse faster with mouse gestures! A customizable Firefox mouse gesture add-on with a variety of different commands. - Robbendebiene/Gesturefy

Collaborate with anyone, anywhere

Mate is made beautifully for iOS, macOS, and your favorite browser. Instantly translate anything between 103 languages.

Text from computer. SMS from computer. iMessage for Android. Android SMS from computer.

Firefox Multi-Account Containers lets you keep parts of your online life separated into color-coded tabs that preserve your privacy. Cookies are separated by container, allowing you to use the web ...

Download userscripts to enhance your browser.

A Chrome/Firefox extension for saving pages to read later. - alexpdraper/reading-list

Reddit Enhancement Suite (RES) is a community-driven unofficial browser extension for enhancing your reddit experience.

Firefox web ext to recognize music with ACRCLOUD.COM

Tampermonkey is a free browser extension and the most popular userscript manager. It's available for Chrome, Microsoft Edge, Safari, Opera Next, and Firefox. Even though some of the supported browsers have native userscript support, Tampermonkey will give you much more convenience in managing your userscripts. It provides features like easy script installation, automatic update checks, a simple overview what scripts are running at a tab, a built-in editor and there is a good chance that incompatible scripts run fine with Tampermonkey. So give it a try!