About
Cal.com is an open-source Calendly alternative for scheduling and infrastructure for everything calendar-related. Self-hostable.
Cal.com
SaaSThe open-source scheduling infrastructure.
Listed May 19, 2026Updated Jun 9, 2026
Frequently asked
What is Cal.com?
The open-source scheduling infrastructure. Cal.com is an open-source Calendly alternative for scheduling and infrastructure for everything calendar-related. Self-hostable.
What category is Cal.com in?
Cal.com is listed under SaaS on Startup Spotlight, a directory of indie and micro-startups.
Who founded Cal.com?
Cal.com was founded by Peer Richelsen (@peer_rich on X, @PeerRich on GitHub).
When was Cal.com founded?
Cal.com was founded in 2021.
Where can I visit Cal.com?
You can visit Cal.com at cal.com, or view its full profile on Startup Spotlight.
Standalone answers: What is Cal.com? · Who founded Cal.com? · When was Cal.com launched?
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