SVG Animation Assistant - Quickly and easily animate Inkscape SVGs.
Enhancer for YouTube - Tons of features to improve your user experience on YouTube™!
Hype - Using Hype, you can create beautiful HTML5 web content.
Iridium by ParticleCore - Iridium is an extension built to improve the user experience on the new YouTube Material layout.
Adobe Animate - Adobe Animate is a Flash, vector animation software.
ImprovedTube - Allows you to improve and enhance Youtube visually or enable dozens of new features permanently or...