Chronos is a beautiful weekly scheduler built around drag-and-drop functionality. With recurring events, and calendar export. Developed by Aleksei Avgustin.

Adobe provides APIs and developer resources for its creative, document, and experience cloud platforms. Developers can integrate with PDF services, Creative Cloud, generative AI (Firefly), analytics, e-commerce, e-signatures, and many other Adobe products and services.

Opensource Basecamp alternative for banks or privacy-aware companies who need to run it on-premise.