Sitemod - Modify any website in real-time. Share it with the world.
WhoisXML API - Domain, IP, and DNS data provider
Antideo - Email, IP address and phone number validation API service
Oribi - Analytics for marketing & product teams
Codrops Blueprints - Free website concepts ready to implement or modify
Octopus - The open source video transcoding and delivering platform based on Drupal