Good Old Tetris - Play Tetris Online. The game that will never get old.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Blockinger - An open source Tetris clone for Android.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
NullpoMino - NullpoMino is an open-source action puzzle game that works on the Java platform.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.