Best Microsoft Teams alternatives in 2026

Looking for an alternative to Microsoft Teams? Whether you've outgrown it, find the pricing steep, or just want to weigh your options, these are the strongest team chat alternatives in 2026 — ranked on pricing, features, and who each one fits best. Microsoft Teams itself has a free tier, so we've flagged where each option is cheaper, simpler, or more specialized.

1
Mattermost
Best for: enterprise
Open-source, self-hosted team chat. A popular team chat alternative to Microsoft Teams with a genuinely usable free tier — free – $10/user/mo. Particularly strong for enterprise.
4.3Free – $10/user/moVisit
2
Rocket.Chat
Best for: enterprise
If Microsoft Teams feels like overkill or over-budget, Rocket.Chat is a leaner option with a genuinely usable free tier. Open-source communications platform. Pricing: free – $4/user/mo.
4.2Free – $4/user/moVisit
3
Slack
Best for: startups
Slack goes head-to-head with Microsoft Teams on features with a genuinely usable free tier. The messaging app for teams. Best suited to startups. Free – $8.25/user/mo.
4.5Free – $8.25/user/moVisit
4
Discord
Best for: communities
A well-rated team chat pick. Chat, voice, and community. Discord offers a free plan and starts at free – $9.99/mo, making it a credible Microsoft Teams replacement.
4.6Free – $9.99/moVisit
5
Zulip
Best for: open-source-projects
Topic-based team chat, open source. A popular team chat alternative to Microsoft Teams with a genuinely usable free tier — free – $6.80/user/mo. Particularly strong for open-source-projects.
4.6Free – $6.80/user/moVisit
6
Telegram
Best for: communities
If Microsoft Teams feels like overkill or over-budget, Telegram is a leaner option with a genuinely usable free tier. Fast, secure messaging. Pricing: free – $4.99/mo.
4.6Free – $4.99/moVisit
7
Pumble
Best for: smb
Pumble goes head-to-head with Microsoft Teams on features with a genuinely usable free tier. Free team chat for unlimited users. Best suited to smb. Free – $2.50/user/mo.
4.5Free – $2.50/user/moVisit
8
Twist
Best for: remote-teams
A well-rated team chat pick. Calm, async team communication. Twist offers a free plan and starts at free – $6/user/mo, making it a credible Microsoft Teams replacement.
4.4Free – $6/user/moVisit

Still considering Microsoft Teams itself? Read our Microsoft Teams review →

Frequently asked questions

What is the best Microsoft Teams alternative?

Mattermost is our top-rated Microsoft Teams alternative for 2026. Open-source, self-hosted team chat. Free – $10/user/mo.

Is there a free Microsoft Teams alternative?

Yes — Mattermost, Rocket.Chat, Slack all offer a free tier you can start on without a credit card.

Why switch from Microsoft Teams?

Common reasons are price, a simpler feature set, better fit for a specific use case, or platform support. Each tool above notes where it has an edge over Microsoft Teams.