Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
Glip
Freemium
Glip is fully searchable, real-time group chat; video chat, task management, file sharing app.
HipChat
Freemium
HipChat is a web service for internal private online chat and instant messaging.
qiscus
Free Personal
Qiscus provide everything you need to power up your app with chats.
Flock
Freemium
Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Mattermost
Open Source
Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.
Hibox
Freemium
Hibox provides task management, business chat and video calls.
TribeScale
Free
TribeScale is an All-in-One platform to coordinate your team around what really matters - communication, goals, decisions, tasks and results.
Grape
Commercial
Grape is an REST-like API framework for Ruby. It's designed to run on Rack or complement existing web application frameworks such as Rails and Sinatra by prov…
Compare Campfire with alternatives
Compare Mattermost and Campfire and decide which is most suitable for you.
Compare TribeScale and Campfire and decide which is most suitable for you.