Tiddlywiki is an incredible tool/framework, and the community is very active and supportive [0]. To get an idea of how flexible it is, see the unofficial list of examples and plug-ins (featuring hundreds of categorized entries): https://dynalist.io/d/zUP-nIWu2FFoXH-oM7L7d9DM

[0] https://groups.google.com/g/tiddlywiki