Based on our record, Oddmuse seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you really wanna self-host it, you could install a regular Wiki software like Oddmuse. Alex Schroeder wrote and uses it for his RPG stuff, and hosts a CampaignWiki where anyone can publish their campaigns. And of course there's also MediaWiki, like used by Wikipedia or the [Wiki Aventurica](https://de.wiki-aventurica.de/]. Source: about 3 years ago
TiddlyWiki - a non-linear personal web notebook
Wiki.js - An open source, modern and powerful wiki app built on Node.js, Git, and Markdown.
WackoWiki - WackoWiki is a light and easy to install multilingual Wiki-engine.
MoinMoin - MoinMoin is an advanced, easy to use and extensible WikiEngine with a large community of users.
MDwiki - Static single file CMS/Wiki done purely with client-side Javascript and HTML5.
DokuWiki - DokuWiki is a simple to use and highly versatile Open Source wiki software that doesn't require a database.