Based on our record, TiddlyMap should be more popular than Sketchboard.io. 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.
Miro or sketchboard have pretty decent tools for designing your digital whiteboard and creating flowcharts. While still being quite easy to use (and therefore fast to get your ideas out). Source: about 3 years ago
Here is an example of what a regular Concept Map looks like which shows how two nodes are related https://tiddlymap.org/. Source: 8 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
Limnu - Sketch, share and collaborate with your team
Minzel - Minzel is a beautiful and free mindmapping tool built for creatives and gives you the power to...
RealtimeBoard - RealtimeBoard is an online collaboration software created as a team collaboration and online brainstorming tool. It's super easy to use & free!
MindNet - MindNet is an effective productivity and learning tool that allows you to take notes, write down ideas, learn, brainstorm your mind, and much more in intuitive graphical mind maps.
Draw.Chat - Anonymous real-time whiteboard with text and video chat.
Wisdomap - Wisdomap Medicine is a study aid that helps medical students create differential diagnoses and suitable management plans from a presenting complaint and structured revision notes.