Best open-source communication tools for enterprise

Open-source team chat, messaging and collaboration software.

Filters · 2 Enterprise, Communication

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Personal32Enterprise25

Purpose

AI & LLM tooling195Chat UIs5Agents & frameworks66Local inference11RAG & vector DBs41Coding assistants19Evals & observability13Agent skills15MCP servers16Developer tools285Web frameworks115Databases & backends49Editors & IDEs6API tools21Self-hosted apps45Notes & docs17Automation46Data & analytics47Infra & DevOps70Security & identity44Communication25Media & photos19Design & creative43

Runs on

Web6Docker / self-host15Desktop4Mobile1CLI0Library / SDK8Extension / plugin0

License

Permissive11Copyleft7Source-available0Other / custom7

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Has live demo1Commit in last 90 days25

25 projects · showing 21–25

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N

Nodemailernodemailer/nodemailer

Send email from Node.jsPersonalEnterpriseCommunicationLibrary / SDK★ 18kcommit 23 hours ago

73worth

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H

Hubothubotio/hubot

Customizable chat botPersonalEnterpriseAutomationCommunicationLibrary / SDK★ 17kMITcommit last week

73worth

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O

OpenIMopenimsdk/open-im-server

Open-source instant messaging serverEnterpriseCommunicationDocker / self-host★ 17kApache-2.0commit last month

72worth

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D

Discoursediscourse/discourse

Platform for community discussionPersonalEnterpriseSelf-hosted appsCommunicationWebDocker / self-host★ 48kGPL-2.0commit yesterday

71worth

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T

TEN FrameworkTEN-framework/ten-framework

Framework for conversational voice agentsPersonalEnterpriseAgents & frameworksCommunicationLibrary / SDK★ 11kcommit 4 days ago

69worth

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Runs on

Web · 6Docker / self-host · 15Desktop · 4Mobile · 1Library / SDK · 8