What The File adds an option to your toolbar showing what file and template parts are used to display the page you’re currently viewing.
You can click the file name to directly edit it through the theme editor, though I don’t recommend this for bigger changes.
What The File supports BuddyPress and Roots Theme based themes.
More information can be found here.
Looking for a great related posts plugin for WordPress?
Another plugin I’ve built, that I’m very proud of is Related Posts for WordPress. Related Posts for WordPress offers you the ability to link related posts to each other with just 1 click! And it’s 100% free! Check it out on the WordPress repository.