If you’re doing three-thirds groups (or Discovery Bible Studies), you’ll want to track your streams (those who are being trained and training others). Seems like the front-runner, for those who can pay the piper, would be MindJet, or the bigger package, MindManager. Learn more at
https://www.mindjet.com/mindmanager/
If you’d rather go the free (web app) approach, try…
It’s still very powerful, especially for the price. Use these mind manager apps for org charts, knowledge base bubble charts, project planning, and much more. Amazing that you just paste the spreadsheet data into the web portal there. No need to register or pay anything. Pro Pricing (kind of stiff; $99/month) gives you security and password protection, faster geocoding, 10 users, PDF support, 20K datapoints at a time and more — plus, no ads.
The well established community for mind mappers is at http://www.biggerplate.com and free registration brings access to vast numbers of maps created and shared by others.
Purist mappers tend to go with iMindManager – http://thinkbuzan.com which is very powerful but paid for once the trial sub expires. The reason the purists go with this product is that it offers the curvi-linear branch approach concept first author – Tony Buzan.
I have tried to sign-up for and log in to coggle and it continues to redirect back to the home page. Did anyone else have success with this?