Grab and download media (image, audio, and video) resources by monitoring network (like FlashGot or Flash video downloader extensions)
Multiple account (or label) Gmail notifier (without storing passwords)
Media Converter and Muxer is an easy to use video and audio converter and muxer. WebExtension replacement is https://addons.mozilla.org/firefox/addon/media-conversion-tool/
a download manager with multi-threading support
Easy to use video and audio converter and muxer written in WebExtension built on top of the well-known FFmpeg converter
An elegant bookmarks manager with fuzzy search and more
Everyday note-taking solution.
YouTube Control Center is an open-source project that aims to enhance the overall YouTube experience by providing the end user with more control in what the playback process is concerned.
A simple yet powerful media player built on top of video.js project
A sync-able open-source two-factor authenticator