Take better screenshots, improve your video experience, finally learn how to make a GIF, and other fancy media tools.
Media Player is an open-source project that aims to enhance the overall user experience by providing the end user with more control in what the playback process is concerned.
The Stencil browser extension for Firefox lets you highlight text anywhere on the web and turn it into an image instantly. See an image you want to add some text to? Just right-click any image and select "Open Image with Stencil".