Cal.com, an open-source startup that builds scheduling infrastructure for developers and enterprises, announced on Tuesday that it’s moving its core codebase behind closed doors, citing growing security concerns tied to advances in AI.
Much has been written about the growing impact of AI on open-source projects, with already time-pressed maintainers battling a barrage of machine-generated “AI slop” masquerading as contributions. But the emergence of AI systems capable of systematically uncovering software vulnerabilities has pushed…

![[CITYPNG.COM]White Google Play PlayStore Logo – 1500×1500](https://startupnews.fyi/wp-content/uploads/2025/08/CITYPNG.COMWhite-Google-Play-PlayStore-Logo-1500x1500-1-630x630.png)