Google Translator and translation tools
The alternative to Github, private and open git repositories.
Amazons’s cloud computing & web hosting service.
An on-line real-time database for your apps.
Graphical twitter user statistics
GitHub is the best way to collaborate with others. Fork, send pull requests and manage all your public and private git repositories.
AWS offers a Free Usage Tier. The Free Usage Tier can be used for anything you want to run in the cloud. Cheap hosting with a fully accessible server
Google docs – online word, office & spreadsheets