Github Actions Trigger is a free Chrome add-on developed by Michael van Tricht. It falls under the category of Browsers and specifically the subcategory of Add-ons & Tools. This add-on adds a user interface (UI) to trigger GitHub actions directly from within GitHub.

With Github Actions Trigger, users can easily trigger repository_dispatch events to workflows within GitHub using a clean and intuitive UI. The add-on supports different types of data inputs, including string, boolean, and dropdown/select options. Additionally, users can select specific branches and/or tags from a GitHub repository to include in the payload.

Overall, Github Actions Trigger simplifies the process of triggering GitHub actions by providing a user-friendly interface and the ability to customize the payload with branch and tag selections.