Enhancer for YouTube - Tons of features to improve your user experience on YouTube™!
SVG Animation Assistant - Quickly and easily animate Inkscape SVGs.
ImprovedTube - Allows you to improve and enhance Youtube visually or enable dozens of new features permanently or...
Hype - Using Hype, you can create beautiful HTML5 web content.
Magic Actions for YouTube - Magic Actions is an extension that changes the way you’ll watch videos on YouTube.
Vectr - Free vector graphics editor. A simple yet powerful web and desktop cross-platform tool for everyone.