This Chrome extension is developed primary for http://edplus.biz/. It doesn't do anything except capture content of your screen.
https://tabflash.com
https://docs.scriptcat.org/
https://getvolumebooster.com
Johnycode
https://nointernetgames.org/
SoundMaster
Johnycode
https://chrome-tool.github.io/
Johnycode
Scripts Green
OwlCode
https://monkeymart.org/
