Best open-source communication tools for the web, enterprise

Open-source team chat, messaging and collaboration software.

Filters · 3 Enterprise, Communication, Web

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Personal6Enterprise6

Purpose

AI & LLM tooling20Chat UIs3Agents & frameworks12Local inference1RAG & vector DBs2Coding assistants2Evals & observability1Agent skills0MCP servers0Developer tools20Web frameworks9Databases & backends5Editors & IDEs1API tools1Self-hosted apps17Notes & docs4Automation7Data & analytics9Infra & DevOps5Security & identity3Communication6Media & photos0Design & creative5

Runs on

Web6Docker / self-host15Desktop4Mobile1CLI0Library / SDK8Extension / plugin0

License

Permissive0Copyleft4Source-available0Other / custom2

More

Has live demo1Commit in last 90 days6

6 projects

SortWorth scoreTrendingMost starsRecently updatedNewest in catalog

M

Mastodonmastodon/mastodon

Self-hosted social network in the fediversePersonalEnterpriseSelf-hosted appsCommunicationWebDocker / self-host★ 50kAGPL-3.0commit 17 hours ago

89worth

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N

Nextcloudnextcloud/server

Self-hosted file sync, sharing and collaborationPersonalEnterpriseSelf-hosted appsCommunicationWebDocker / self-host★ 37kAGPL-3.0commit 8 hours ago

83worth

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E

Elementelement-hq/element-web

Secure messaging client for the Matrix networkPersonalEnterpriseCommunicationWebDesktop★ 14kAGPL-3.0commit 15 hours agolive demo

81worth

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R

Rocket.ChatRocketChat/Rocket.Chat

Communications platform with full data controlEnterpriseCommunicationWebDocker / self-hostDesktopMobile★ 46kcommit 6 hours ago

79worth

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M

Mattermostmattermost/mattermost

Secure collaboration for technical teamsEnterpriseCommunicationWebDocker / self-hostDesktop★ 39kcommit 9 hours ago

79worth

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D

Discoursediscourse/discourse

Platform for community discussionPersonalEnterpriseSelf-hosted appsCommunicationWebDocker / self-host★ 48kGPL-2.0commit 23 hours ago

71worth

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