Facebook - facebook for developers

| analytics | cloud | gaming | monetization | social |

Financial Times - FT for developers

| news | datamining |

Firetext - Firetext API

| sms | messaging | analytics |

Fitbit - Fitbit developer

| analytics | wearables |

Flickr - The App Garden

| image | video | hosting | cloud |

Flipkart - Flipkart Affiliate Program

| ecommerce |

Flowroute - Flowroute Developers

| telecom| telephony | messaging | sms | mms |

Ford - Ford Developer Program

| infotainment | automotive | obd-ii |

Foursquare - Foursquare Developers

| location | search | discovery | recommendations | places |

Garmin - Garmin Developer

| location | maps | health | fleet management |

Geckoboard - Developer Hub

| analytics | kpi | dashboard | metrics |

Gimbal - Gimbal Developer Guide

| location | beacon | ads |

GitHub - GitHub Developer

| collaboration | repositories | revision control |

GoodData - GoodData Developer

| analytics |data |big data |

Google - Android Developers

| mobile | android | apps |