Cal.com goes private: A security reckoning for open source

Cal.com, an open-source scheduling startup, is moving its core codebase to a private repository. This shift aims to address security concerns in open-source software. The change highlights growing caution around open-source code exposure in enterprise environments.

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PublishedWednesday, April 15, 2026 at 4:25 PMApr 15, 04:25 PM

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Cal.com moves its core codebase to a closed repository, citing AI security risks. Discover how the startup balances open source roots with vulnerability concerns.

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Opening the briefing

Cal.com goes private: A security reckoning for open source

Original article excerpt

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Opening the briefing

Cal.com goes private: A security reckoning for open source

Original article excerpt

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