Slack is a cloud-based team collaboration tool.

Volafile.org provides free temporary online storage, convenient for sharing files between colleagues and friends.

Riot allows teams to communicate across a wide range of collaboration apps.

Banckle Chat is an application for online chat & customer support solution.

TribeScale is an All-in-One platform to coordinate your team around what really matters - communication, goals, decisions, tasks and results.

Fleep enables communication within and across organizations, be it your team chats, project communication or 1:1 conversations.

Campfire helps you easily collaborate online in real-time.

Kageshi provides free online video chat rooms.

Glip is fully searchable, real-time group chat; video chat, task management, file sharing app.

HipChat is a web service for internal private online chat and instant messaging.

appear.in provides one-click video conferences right in your browser without requiring PIN codes or additional software.

Qiscus provide everything you need to power up your app with chats.

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…

Firefox Hello is a discontinued built-in video chat client for Firefox browser.

Hubgets provides chat, voice and video turning team communication.