Openfire - Openfire (formerly Wildfire) is a cross-platform instant messaging (IM) and groupchat server.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
Bopup Communication Server - Secure instant messaging (IM) and private LAN chat solutions for organizing effective real-time communication system over office LANs, business and corporate large networks, or enterprise-size WANs and VPNs
chatform.ai - Turn your web forms into conversations on any messaging app
ejabberd SaaS - Realtime XMPP and MQTT Software and Infrastructure as a Service.
Landbot - An intuitive no-code conversational apps builder that combines the benefits of conversational interface with rich UI elements.