Calendar for WebAssign is a free Chrome add-on developed by Jeff Rescignano. This add-on enhances the functionality of WebAssign by adding an "Add to Calendar" button. With this feature, users can easily add WebAssign events to their personal calendars, allowing them to keep track of their assignments in a more organized manner.

The "Add to Calendar" button simplifies the process of manually inputting assignment deadlines into a separate calendar application. By clicking the button, users can automatically sync their WebAssign events with their preferred calendar, ensuring that they never miss an important deadline. This feature is especially useful for students who want to stay on top of their assignments and manage their time effectively.

Overall, Calendar for WebAssign is a valuable tool for WebAssign users who want to streamline their assignment tracking process. It offers a seamless integration with personal calendars and helps users stay organized and on track with their coursework.