Top Open Source Projects Built With Slack in 2026
A curated collection of the 59 best free and open-source projects built using Slack. Discover popular repositories, architecture patterns, and trending software in 2026.
xyd
Open source framework for building beautiful docs
Stars113Last commit12d agoLicenseMIT
Worklenz
Free and open source project management tool
Stars3,151Last commit13d agoLicenseAGPL-3.0
Suna
Open-source AI command center for your company
Stars20,141Last commit10d agoLicenseOpen Source
Plasmic
Open-source visual builder for web apps
Stars6,975Last commit10d agoLicenseMITMimrai
Full-stack engineering & applied AI for rapid product delivery
Stars26Last commit5mo agoLicenseAGPL-3.0LiteLLM
Acts as a unified proxy across 100+ LLMs, normalizing them to the OpenAI format while handling virtual keys, budgets, rate limits, fallbacks, and cost tracking.
Stars57,381Last commit10d agoLicenseOpen SourceHome Assistant
Open source home automation platform supporting 1000+ devices with local control, powerful automations, custom dashboards, and voice assistant. No cloud required.
Stars90,130Last commit10d agoLicenseApache-2.0
Inbox Zero
AI email assistant to reach inbox zero fast
Stars12,094Last commit11d agoLicenseOpen Source
Flowglad
Unified workspace for cross-system automations
Stars1,718Last commit3mo agoLicenseOpen SourceDatabuddy
Privacy-first lightweight web analytics for developers
Stars1,139Last commit13d agoLicenseAGPL-3.0Beam
On-demand AI compute with sub-second cold starts
Stars1,755Last commit18d agoLicenseAGPL-3.0
Activeloop
Continual Learning Infrastructure for AI Agents
Stars9,228Last commit3mo agoLicenseApache-2.0
VerifyWise
Complete AI governance and LLM evaluation platform
Stars341Last commit10d agoLicenseOpen Source
Uptrace
OpenTelemetry-native observability platform
Stars4,270Last commit2mo agoLicenseAGPL-3.0Twenty
Open source CRM for modern teams
Stars55,656Last commit10d agoLicenseOpen Source
