Chrome //
Extensions 
Chrome
Web store 
Stacker - Falling blocks!
A fun arcade game that plays in a popup. Stack falling tetra blocks without hitting the ceiling!
Rainbow 3D Blocks
A nice rainbow block theme that should look very fancy on your computer screen.
Note that it works best on Chromebooks.
Parental Control. Blocks porn, malware, etc.
Protect your children from unwanted content and your PC from malware.
Syntax Highlight Code Blocks
Adds a context menu that provides the ability to add syntax hightlighting to code blocks contained in the page.
