core

The premium Open Source alternative to Slack

🎯 Best for:Teams wanting to consolidate chat and tasks in one UI.
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AGPL-3.0License

What is core?

A self-hosted alternative to the fragmented Jira and Slack stack. Combines real-time messaging with structured project management in a single, monolithic application architecture.

Tech Stack
TypeScriptTeam Collaboration

Why core?

  • • Unified context for chats and tasks
  • • Reduces context switching
  • • Full data sovereignty

Limitations

  • • High server resource consumption
  • • Steep learning curve for configuration
  • • Mobile app often lags behind web
7/3/2026
Last Update
8
Forks
3
Issues
AGPL-3.0
License
Financial Leak Detected

Stop the "SaaS Tax"

Your team could be burning cash. Switching to core instantly boosts your runway.

Competitor Cost
-$1,050
/ year (est. based on Slack)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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