Instead of Slack: Mattermost, Rocket.Chat, Element, Zulip

Skip to the list

Instead Privacy

Instead of SlackMattermost

Mattermost, Rocket.Chat, Element and Zulip can stand in for Slack.

Sort

4 stand-ins

Suggest a stand-in

If we missed an open-source tool that replaces something people pay for, send it in. We'll check the link before it goes on the list.

When the list grows

Leave an email and we'll send the occasional note when we add a batch of stand-ins. No other mail.

All stand-ins By paid product Design Office Productivity Communication Developer tools Video, audio and 3D Finance and CRM Cloud and hosting Analytics Security and privacy Media and reading Privacy

Instead is a directory from Neatly Studio. We don't rank these tools, and a listing isn't an endorsement. Always read a project's licence before you rely on it.