I’ve been going down the rabbit-hole of tools for thought. This space is new to me, but it feels like a large part are folks that want Roam, but don’t want to pay or use a service. It’s mind-numbing and exhausting how many tools there are in this area. There are interesting ideas out there, though. I’m looking for inspiration that perhaps Kinopio could incorporate, and also trying to plug Kinopio when appropriate 
Here’s a large list: https://www.notion.so/Artificial-Brain-Networked-notebook-app-a131b468fc6f43218fb8105430304709
Some random remarks:
- https://www.coppiceapp.com - Mac app with thoughts and connections
- https://nodebook.io/landing - infinite zooming, collab
- https://walling.app - quick capture in “bricks”, separate tab for connecting, $4/month pricing
- https://medium.com/@cotoami/cotoami-an-experimental-note-taking-app-focusing-on-connecting-734928d53d2c input/observe/connect cycle