Compare tools side by side

Add up to four tools and compare pricing, features, ratings, and free trials at a glance.

Rocket.ChatSlackMattermost

	Rocket.Chat	Slack	Mattermost
Rating	4.3(200)	4.5(32,000)	4.4(400)
Pricing	Free plan available	Free plan available	Free plan available
Free tier	Yes	Yes	Yes
Free trial	30 days	—	30 days
Best for	Organisations needing self-hosted, customisable chat	Distributed teams needing real-time chat and integrations	IT teams and organisations with strict data control policies
Category	communication	communication	communication
Top features	✓Open source codebase ✓Self-hosting option ✓Group channels ✓Direct and group messaging	✓Channel-based conversations ✓Direct and group messaging ✓Voice and video Huddles ✓File sharing and search	✓Self-hosted deployment ✓End-to-end message encryption ✓Open source codebase ✓Channel-based team chat
	Visit Site	Visit Site	Visit Site