Dr. James McCaffrey from Microsoft Research presents a complete end-to-end demo of Poisson regression, where the goal is to predict a count of things arriving, such as the number of telephone calls ...

Open Source Point of Sale is a web-based point of sale system. The application is written in PHP, uses MySQL (or MariaDB) as the data storage back-end, and has a simple but intuitive user interface.

The app hosted at excalidraw.com is a minimal showcase of what you can build with Excalidraw. Its source code is part of this repository as well, and the app features: 📡 PWA support (works offline).