Project and task management
zcal alternatives
1 open-source project that already does this job. Free to use - not free to run, which is what the numbers on the right are for.
The projects
What you give up either way
- Design polish and templating breadth
- Reliability and uptime guarantees at scale
- Enterprise-grade team features (round robin, collective scheduling) and advanced admin tools
- Brand reputation and trust signals
- Breadth of prebuilt integrations and ongoing maintenance
An open-source project doing the core job proves a replacement is possible. It does not prove it matches zcal, and it does not prove anyone has run it for a month. How we decide.

