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	<owl:Ontology rdf:about="https://synthesis.jon-e.net/Special:ExportRDF/Xanadu">
		<swivt:creationDate rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime">2026-04-18T02:58:37+00:00</swivt:creationDate>
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		<rdfs:label>Xanadu</rdfs:label>
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		<swivt:wikiPageSortKey rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Xanadu</swivt:wikiPageSortKey>
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		<schema:text rdf:datatype="http://www.w3.org/2001/XMLSchema#string">I think of all of these tools as "personal hypertext notebooks" - basically taking what is possible in wikis (organizing by means of linking, hypertext) and lowering the barrier to entry (no need to spin up a server, can just download an app and go). 

The common thread across these notebooks then is allowing for organizing and exploring by means of bidirectional hyperlinks between "notes":
- In [[Obsidian]] each linkable note is a markdown file and can be as short or long as you like
- in [[Logseq]]/[[Roam]] and other outliner-style notebooks, you can link "pages", and also individual bullets in the outlines on each page.

In this way, the core functionality of these tools is similar to a wiki, but they do leave out a lot of the collaborative functionality that makes wikis work well (granular versioning and edit histories, talk pages, etc.). So for folks like &lt;@305044217393053697&gt; who are comfortable with wikis already, they add marginal value IMO.

Their technical predecessors in the "personal (vs. collaborative) wiki" space include [[TiddlyWiki]] and [[emacs org-mode]] (and inherit their technical extensibility: many users create their own extensions of the notebooks' functionality. an example is the [[Roam Discourse Graph extension]] that &lt;@824740026575355906&gt; is using). 

These tools also tend to trace their idea lineage back to vannevar bush's [[Memex]] and ted nelson's [[Xanadu]].</schema:text>
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		<schema:url rdf:resource="https://discord.com/channels/1029514961782849607/1040600256485797889/1040628364735680572"/>
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		<swivt:wikiPageSortKey rdf:datatype="http://www.w3.org/2001/XMLSchema#string">Xanadu#joelchan86-22-11-11 14:05:36</swivt:wikiPageSortKey>
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