Communication & Collaboration

Free voice, video and text chat platform popular with communities, gamers and teams.

Workplace chat platform; the free tier keeps 90 days of messages and most everyday features.

Free video meetings up to 40 minutes for groups, unlimited 1-on-1s.

Free browser-based video meetings up to 60 minutes for groups, included with any Google account.

Free Microsoft Teams tier for personal and small team use — chat, meetings and file sharing.

Free cloud-based messaging app with large groups, channels and a bot platform.

Open source Matrix client for end-to-end encrypted chat — free on the public Matrix network.

Free, open source, peer-to-peer messaging and video calling — no central server.