Wikipedia Diver may be one of the most interesting, albeit niche-based, Web history tracking and organizing tools. This Firefox add-on gives you a visual history of everywhere you've been on Wikipedia, and organizes it down to the day, order, and session in which you visited the sites, making it easy to revisit old entries.
Each visited page is presented as a small red globe that you can click on to advance the timeline. There's also a source list of every site you visited, that will take you right to the page. Like some other Web history trackers, Wikipedia … Read more