I've been using XMind for about 3 years. I write down a lot of information in it, which causes the file to become quite large. After a while (>1000 nodes) everything becomes slow - loading, saving, browsing the tree. At some point XMind has an "out of memory" problem, and I must create a new file, and juggle between them. That is annoying.

Is there any scalable mind mapping software out there? Preferably free, but commercial is fine.

closed as off-topic by nerdwaller, ChrisInEdmonton, Mokubai, Tog, Moses Dec 10 '13 at 17:10

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  • 2
    Why the downvotes? (the Q is rather legit IMO.) – Shiki Dec 9 '13 at 15:23
  • Without knowing more about your context and your problem, is smelling to me more like a wrong focused problem more than a technical gap. – uprego Dec 9 '13 at 15:23
  • @uprego, please explain. – Andrey Rubshtein Dec 9 '13 at 15:28
  • I don't see why you, a person, assuming you are not representing a corporation wanting to attack a big problem with a monolithic solution, would have a problem so big that needs a model bigger than a thousand entities. Here is important for you to understand the significance of the words model and entity applied to a context of computer science. – uprego Dec 9 '13 at 15:34
  • @uprego, I write about 10 topics each day - what I need to do and what I've done, kind of a diary with hyperlinks to files. It becomes about 20*12*10 = 2400 topics per year. I am not using it for modelling software if that is what you are implying. – Andrey Rubshtein Dec 9 '13 at 15:52

Freemind has a user who has successfully gone up to 22,000 nodes (with some slowdown, but still useable) on a rather old computer with 2GB of RAM.

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