Tropo makes it simple to build phone and SMS applications. You use the web technologies you already know and Tropo’s powerful cloud API to bring real-time communications to your apps.

A pure client-side solution, Phono requires zero server-side logic on the part of a developer; all communication is handled transparently by the Voxeo Cloud.

Ameche is a Communications Platform-as-a-Service (cPaaS) that combines voice, video and text conversations with popular cloud APIs to create a fluid mobile experience.