LiveAgent - LiveAgent is a fully-featured web-based live chat and help desk software. It harnesses the power of a universal inbox, real-time live chat, built-in call center, and a robust customer service portal. Start your free 1 month trial today!
Nexmo - Nexmo is a simple two way SMS API with global reach and wholesale rates
Chatkit - Use our free Omegle alternative to video chat with strangers instantly and meet cool new people on Chatki. Random video chat available on all mobile devices!
MessageBird - Reach 7 billion phones in seconds via SMS, Chat & Voice. Try it for free and improve your communication.
lightIRC - lightIRC is a fast, free, Flash-based IRC Client. It supports webcams with an extension!
Plivo - Plivo simplifies your customer engagement.