Free, open-source scheduling for solos and teams, with unlimited meetings.
Product memo
Cal ID gives solo professionals and teams a free, open-source scheduling product. It replaces paid alternatives by offering unlimited meetings and specific integrations, emphasizing a 'run your business, not your calendar' approach. This strategy targets users seeking cost-effective, feature-rich tools without subscription fees.
For who
Solos and teams needing free scheduling
Solves what
Streamlines business operations by managing calendars and meetings.
- Open-source scheduling
- Unlimited meetings
- Integrations
In their own words
Free Scheduling Software
Run your business, not your calendar.
Commercial cues
Model
free only
Free tier
Yes
Trial
No
Pricing Strategy
Cal ID offers a free Cal ID Pro tier; paid plan details are not publicly priced.
- • The free tier removes all payment friction for new user adoption.
- • Open-source distribution builds community trust and broadens reach.
- • Visible limits define plan boundaries.
Operator context
Founded
Nov 2025
Platform
Web app
Audience
General
Public footprint
+2 more footprint links
Tech stack
Builder Strategy
- Strategy Type
- Open Source Commercial
- Stage
- Pre Revenue
- Effort
- Solo Buildable
About Cal Expand
Cal ID offers a free, open-source scheduling platform designed for solo professionals and teams. It simplifies business operations by managing calendars and meetings without subscription fees.
This provides a cost-effective alternative to paid scheduling tools, allowing users to book unlimited appointments and integrate with other services. The open-source model fosters community trust and broadens adoption, making it a compelling choice for those prioritizing cost and flexibility in their scheduling workflow.