Cal.com is one of the more recognizable open-source success stories of the last few years. The scheduling app is built on Next.js, can be self-hosted, has a healthy contributor base, and has been AGPL ...
SAN FRANCISCO, April 15, 2026 /PRNewswire/ -- AI has upended the foundation of open source security, and commercial open source applications must close their code to protect sensitive data. "Open ...
Code closure decision: Cal.com shut its production source in 2026, citing fears AI tools could find vulnerabilities faster than they can be fixed. Critics push back: Security experts argue closing ...