I have been using Standard Notes for a few years and I really like it. The paid version is more convenient than the free version, but in all fairness the very small amount of money the developer requests is nothing compared to the benefits of using this privacy centered, secure, cross-platform app.
I am obsessed with DokuWiki. It's such a versatile wiki software: With the right combination of plugins and some tinkering here and there, you can make DokuWiki do just about anything. The development community is very supportive. The look and feel of the wiki can be customized to fit any needs without n...
ProGood selection of themes
ProRuns on any PHP server
ProA dedicated page for recent changes
ProGood selection of plugins
ProPlain-text file storage
ProLocal and open source
ProEasy to set up and mantain
Been using it at work and at home for more then 10 years. Simple, it just works. Many interesting extensions (journal, todo, tags, sorting, etc.)
ProExtensions Journal + Todo + Tags can lead to a very effective Tasks Manager
ProAutomatically manages files and folders
ProSupport for multiple platforms
ProPlain text data format rather than proprietary
ProAllows for organized, wiki-style navigation
ConNo mobile app support