Redmine 2.0 is a free Chrome add-on designed to enhance the Redmine project management tool. This extension primarily focuses on improving the issue editing experience, providing users with a more streamlined and efficient interface. Notable features include the ability to view images in a modal window, which allows for a clearer view without navigating away from the page. Additionally, it incorporates AJAX comments functionality, enabling users to interact with comments without experiencing page reloads.

Another significant improvement is the implementation of a shortcut for submitting comments using the command+enter keys. This feature not only speeds up the commenting process but also enhances user convenience, making it easier to collaborate on projects. Overall, Redmine 2.0 serves as a valuable tool for users looking to optimize their workflow within the Redmine environment.