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Cal.com Goes Closed Source: Why AI Security Is Forcing Our Decision (cal.com)
submitted 1 week ago by codeinabox@programming.dev to c/opensource@programming.dev
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After five years as open source champions, Cal.com is going closed source. This wasn’t an easy decision, but in the age of AI-driven security threats, protecting customer data has to come first. Cal.diy will continue as an open option for hobbyists.

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[-] originalucifer@moist.catsweat.com 34 points 1 week ago

im very confused, can any developers comment?

isnt this literally the reason to be open source? that vulnerabilities can be scanned and fixed publicly.

that there is now tooling that can lightspeed accelerate the detection of bugs shouldnt change that fact... or am i missing something?

[-] TacoEvent@lemmy.zip 30 points 1 week ago

Cal.com hasn’t been truly open source for awhile despite the marketing. Just the barest minimum of the app is open source. I imagine this is a way to absolve themselves of maintenance responsibility on the public repo.

this post was submitted on 18 Apr 2026
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