This is the Thymeleaf Eclipse Plugin Update Site... but if you're reading this, then you're visiting with a browser. Instead, open up Eclipse and point it to this update site.

In Eclipse, go to Help >> Install New Software... then enter this update site URL (should be Eclipse should then pick up the plugin to install.

If you encounter any issues, visit the plugin site's GitHub issues section ( and raise a new issue or check through the existing closed ones to see if what you're encountering has already been resolved.