http://code.google.com/p/google-api-java-client/
- Setup Instructions
- Google APIs
- APIs Discovery Service
- AdSense Management API
- BigQuery API
- Books API
- Calendar API
- CustomSearch API
- Google Analytics API
- Google Latitude API
- Google Site Verification API
- Google+ API
- Moderator API
- Prediction API
- Search API for Shopping
- TaskQueue API
- Tasks API
- URL Shortener API
- chromewebstore
- groupssettings
- oauth2
- Google Data APIs
- Blogger Data API
- Content API for Shopping
- Google Calendar Data API
- Google Code Search Data API
- Google Contacts API
- Google Documents List Data API
- Google Finance Portfolio Data API
- Google Health Data API
- Google Project Hosting Issue Tracker API
- Google Sidewiki Data API
- Google Sites Data API
- Google Spreadsheets Data API
- Google Storage for Developers
- Google Translate API
- Google Translator Toolkit Data API
- Google Webmaster Tools Data API
- Picasa Web Albums Data API
- YouTube Data API