Fluxer vs Huly

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

Fluxer

AGPL-3.0

A free and open source instant messaging and VoIP chat app for friends, groups, and communities.

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.

	Fluxer	Huly
License	AGPL-3.0	AGPL-3.0
Self-hostable	Yes	Yes
GitHub Stars	10,468	27,819
Forks	779	2,178
Open Issues	153	841
Last Commit	Oct 1, 2026	Sep 30, 2026
First Released	Jan 1, 2026	Aug 2, 2021
Categories	Team Chat & Messaging Tools	Project Management Team Chat & Messaging Tools Wiki Software Customer Relationship Management Tools
Tags	#chat #messaging #voice chat #community #self hosted	—

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.