Chat, meetings and files, included with Microsoft 365.
Slack Alternatives
team chat
Slack is a team chat platform organised around channels, with threads, huddles and app integrations.
Alternatives to Slack
10 tools listed · last changed 7 September 2026 · a position on this board costs $1
Voice, video and text channels, free with unlimited history.
Open-source, self-hosted team messaging for security-conscious teams.
Spaces and direct messages, included with Google Workspace.
Open-source chat organised by topic inside channels, so threads stay readable.
Open-source communications platform with full data ownership.
Matrix-based, end-to-end encrypted messaging that federates across servers.
Team chat with unlimited users and message history on the free plan.
Threaded, asynchronous messaging from the makers of Todoist.
Simple team chat with tasks and calls, priced under Slack.
This page covers Slack alternatives and competitors — apps like Slack, tools similar to Slack, and what to use instead of Slack for team chat. These are unpaid picks of ours, and each one is a position any tool can correct for $1.
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- What are the best alternatives to Slack?
- Microsoft Teams, Discord, Mattermost, Google Chat, Zulip, Rocket.Chat, Element, Pumble, Twist, Chanty. This page lists 10 alternatives to Slack for team chat. Order is paid placement, not review: a position shows what the tool paid for it, and positions nobody has bought are picks by xAlternative, marked unpaid.
- Is there an open-source alternative to Slack?
- Mattermost, Zulip, Rocket.Chat, Element are listed here with public source. Open source is a tag on this site, and every tool carrying it, on every board, is at xalternative.lol/tags/open-source.
- What do these Slack alternatives offer people who switch?
- Nothing yet: no tool has paid for a position on this board, so no switching offer has been made on it. The first to take #1 pays $1 and has to say what it gives anyone who switches.
- $0
- On the table
- 0
- Switches
- $0
- This week
- $1
- #1 costs
xAlternative is not affiliated with, endorsed by or sponsored by Slack. “Slack” is a trademark of its owner, used here only to identify the product these alternatives compete with. Positions showing what they paid are paid placements; the dashed ones were picked by us, are listed free, and no tool asked to be there.