Cal.com in the Media
3 mentions across press, blogs, and newsletters
April 2026
Cal.com drops its open source model over AI threat concerns
Cal.com, an online scheduling platform that manages booking and appointment data, has announced it is moving its main software from an open source model to a closed source approach because AI-driven attacks and automated vulnerability scanning have changed how quickly publicly available code can be
Cal.com Goes Private. What Are the Best Open Source Alternatives?
Cal.com moved production code private, leaving Cal.diy thinner than the old open-source pitch. Easy!Appointments now looks like the safest general self-hosted Calendly replacement, while Nextcloud Calendar fits teams already running Nextcloud. The real issue is who maintains the risk.
Toolradar Research
See Cal.com in context: The SaaS Press Index 2026
We analyzed 6,704 press mentions across 290 outlets to rank which SaaS tools win coverage. Find Cal.com's position relative to the 488 most-covered tools.
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