SVG Animation Assistant - Quickly and easily animate Inkscape SVGs.
CONV. - Convert YouTube video to MP3, GIF or MP4
Hype - Using Hype, you can create beautiful HTML5 web content.
Downie - Video download for OS X. Downie supports at this moment over 1,000 different sites.
Adobe Animate - Adobe Animate is a Flash, vector animation software.
Yout - YouTube to Mp3 Converter