Clearstream - Clearstream is a SMS marketing and online texting software.

Openfire - Openfire (formerly Wildfire) is a cross-platform instant messaging (IM) and groupchat server.

E-goi - Email Marketing companies, SMS Marketing, software email marketing.

Prosody - Prosody is a modern flexible communications server for Jabber/XMPP written in Lua.

Swift SMS Gateway - SMS Gateway is your bridge between the Internet and the world of cell phone SMS text messaging.

ejabberd SaaS - Realtime XMPP and MQTT Software and Infrastructure as a Service.