Our great sponsors
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Outline
The fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
https://tiddlywiki.com/ and https://feather.wiki will blow your mind
I use Outline few months and it's amazing. Don't have versions but have history of changes ... here is link https://www.getoutline.com/
It's not a wiki but may still be of interest: Trilium (https://github.com/zadam/trilium).
If it doesn't need to be a wiki system in the classic sense, try Obsidian (https://obsidian.md/) - you write everything in markdown, can link pages/ideas/concepts/etc... just like a wiki, and use github (or other version control) for storage.