You can read more about each plugin using the SEARCH box at Jenkins homepage.
- ChuckNorris Plugin: Displays a picture of Chuck Norris (instead of Jenkins the butler) and a random Chuck Norris 'The Programmer' fact on each build page.
- thinBackup: This plugin simply backs up the global and job specific configurations (not the archive or the workspace).
- JobConfigHistory Plugin: Saves copies of all job and system configurations.