Mind Map designing tools which is free

I am looking for GOOD QUALITY Mind Map tools which are CHEAP or free, :
1) Technical idea.
2) Business idea
3) Flow Chart
4) School Study topics
jgdvishnuSoftware ArchitectAsked:
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There's a Google app that I use for mind mapping.

You might also use Neo4j, although the bubble rendering isn't exactly ellipse and line shapes

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I have been using FreeMind for many years (perhaps ten or more).  It isn't updated much anymore, but it does everything I need so that is not a downside for me and it means it is stable.


I really like this one but it is not free

Other suggestion depending of your setup:

Info: https://wisemapping.atlassian.net/wiki/spaces/WS/pages/524318/Features
Demo: https://app.wisemapping.com/c/maps/3/try

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jgdvishnuSoftware ArchitectAuthor Commented:

1) which Google app r u referring to. Is it    coggle  ?

2) Neo4J are you referring to Graph Database? DO we have to install Graph Database? Pl throw more light on how to make use of it.

Ref:  https://neo4j.com/developer/graph-database/#property-graph
yes. I'm referring to a graph database.

Good options provided.
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