Cal ID
Product Hunt
Schedule and monetize meetings for free
GitHub & Open Source
Open Source
Productivity
Meetings
Listed Nov 10, 2025
Cal ID is a fully open-source scheduling tool for solos and teams, with unlimited meetings, comprehensive integrations, real human support – and amazing features shipping at lightspeed.
GitHub & Open Source
Saturated
Many apps + Low avg votes8
of 59
Total Apps
429
This Week
429
3%Topics
2
Competition
42Opportunity
15Daily launches (14d)
Market positioning
Saturated · vs 58 other categories
