Chatto vs Huly

Comparing two open source alternatives to Slack . 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.

AGPL-3.0

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

	Chatto	Huly
License	AGPL-3.0	AGPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	1,264	26,828
Forks	46	2,017
Open Issues	158	850
Last Commit	Jul 9, 2026	Jul 9, 2026
First Released	Apr 8, 2026	Aug 2, 2021
Categories	Team Chat & Messaging Tools	Project Management Team Chat & Messaging Tools Wiki Software Customer Relationship Management Tools
Tags	#chat #collaboration #self hosted #privacy	—

Open source Notion alternative that brings projects, wikis, and teams together with AI while keeping you in control of your data.

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

Lightweight self-hosted app for managing personal file-based notes and checklists.

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

Open-source project management platform — an alternative to Jira, Linear, Monday, and ClickUp.

Open-source design and prototyping tool for cross-domain teams — a self-hostable alternative to Figma.