Based on our record, TiddlyMap seems to be more popular. It has been mentiond 2 times 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.
Here is an example of what a regular Concept Map looks like which shows how two nodes are related https://tiddlymap.org/. Source: 9 months ago
Piggybacking on the above post, there's a TiddlyWiki plugin for maps, which would be really useful for RPGs: http://tiddlymap.org/. Source: over 2 years ago
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