Trello Checklist Plus is a Chrome extension developed by b.geissler89 that aims to enhance the functionality of Trello checklists. As an add-on in the Browsers category, specifically under Add-ons & Tools, this extension provides additional features to the popular project management tool.

With Trello Checklist Plus, users can now extrude a checklist item into its own card without deleting the original item. This allows for better organization and management of tasks, as well as the ability to create back-links between related cards. This feature is particularly useful for users who want to expand on a specific checklist item without losing the original context.

The extension is free to use and is compatible with the Chrome platform. It offers a simple and accessible way to extend the capabilities of Trello checklists, making it a valuable tool for those who heavily rely on Trello for project management.