Fedora. Main Page - S23Wiki. Personal wikis: Three small, simple alternatives. The problem with most wikis, such as MediaWiki (the engine that powers Wikipedia) is that they take a lot of effort to set up and maintain.
You have to deal with not only the wiki software itself but also the Web server and database that underlie the wiki. All of that is overkill for anyone who wants a wiki for strictly personal use. But there are several applications available to someone who wants to get a wiki working quickly as a desktop tool.