Who founded Cal.com?

Answer

About Cal.com

Cal.com was founded by Peer Richelsen.

Cal.com was founded by Peer Richelsen (@peer_rich on X, @PeerRich on GitHub). It launched in 2021. The product is in the SaaS category on Startup Spotlight.

Source

This answer is drawn from the Cal.com listing on Startup Spotlight, last updated May 20, 2026. For the full profile, see the Cal.com listing.

Other questions about Cal.com

• What is Cal.com?

  Cal.com is the open-source scheduling infrastructure.

• When was Cal.com launched?

  Cal.com launched in 2021.