Voxer - Turn your phone into a Walkie Talkie. Don't waste time on phone calls and voicemails.

Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.

Sameroom - Chat interoperability-as-a-service

CodePush - CodePush is a cloud service that enables Cordova and React Native developers to deploy mobile app updates directly to their users' devices. 

Investis - Investis helps companies to use digital channels to increase revenue, enhance employee engagement and influence corporate audiences.

OpenTok - Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .