casilium

The premium Open Source alternative to Zendesk

🎯 Best for:Organizations requiring a private, cost-effective helpdesk solution without per-user licensing.
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What is casilium?

A self-hosted ticketing system designed to manage customer support requests and internal issues. It centralizes communication into a unified dashboard to streamline agent workflows.

Tech Stack
PHPSupport & Helpdesk

Why casilium?

  • No per-agent fees
  • Complete data control
  • Simple ticket lifecycle

Limitations

  • Basic UI/UX
  • Fewer integrations than Zendesk
  • Manual server maintenance
2/24/2026
Last Update
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Forks
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Issues
Apache-2.0
License
Financial Leak Detected

Stop the "SaaS Tax"

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

Competitor Cost
-$2,280
/ year (est. based on Zendesk)
Self-Hosted
$0
/ year
Team Size10 Users
150+
SAVE 100%

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