Javascript animation site(free)

 https://animejs.com/

Javascript animation site which allows to copy paste the code.

Demo: https://www.facebook.com/reel/1438846067978280

Download video or audio from url

 How to download video or audio from a url.

https://cobalt.tools/

Demo: https://www.facebook.com/reel/1456049419552954 

Sep 2026 update:

Download insta, fb and youtube videos

https://www.facebook.com/reel/1523954229747524

Civil build editor(building)

 https://github.com/pascalorg/editor

Civil building editor

Demo: https://www.facebook.com/reel/957159423727681

Interactive periodic table

 https://zperiod.app/

Interactive learning periodic table

Demo: https://www.facebook.com/reel/1491845235942132