Chatto vs Rocket.Chat

Comparing two open source alternatives to Discord . Use the comparison below to decide which one fits your needs.

Chatto

AGPL-3.0

A self-hosted chat application for teams and communities with video calls, voice calls, and screen sharing.

Visit Full details

Rocket.Chat

MIT

The communications platform that puts data protection first.

Visit Full details

Side-by-side comparison

	Chatto	Rocket.Chat
License	AGPL-3.0	MIT
Self-hostable	Yes	Yes
GitHub Stars	2,638	46,019
Forks	117	13,815
Open Issues	208	3,981
Last Commit	Aug 22, 2026	Aug 22, 2026
First Released	Apr 8, 2026	May 19, 2015
Categories	Team Chat & Messaging Tools	Team Chat & Messaging Tools
Tags	#chat #collaboration #self hosted #privacy	#chat #collaboration

GitHub stars over time

Chatto

Rocket.Chat46,019

Similar open source alternatives

Mumble

Low-latency, open-source voice chat built for gaming — self-host your own server with no subscription required.

Alternative to:

Discord

Huly

All-in-one open source platform that combines project management, CRM, chat, HR, and wiki as an alternative to Linear, Jira, Slack, and Notion.

Alternative to:

Notion

Bytedesk

Open source AI-powered omnichannel customer service platform that combines live chat, ticketing, and team collaboration as an alternative to Slack, Zendesk, Intercom, and HubSpot.

Alternative to:

Slack

Zulip

Open-source team chat with a unique topic-based threading model that makes it easy to follow multiple conversations.

Alternative to:

Slack

Colanode

Open source, local-first Slack and Notion alternative that puts you in control of your data with offline support and end-to-end encryption.

Alternative to:

Notion

Raven

Simple, open source team messaging platform

Alternative to:

Discord