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I saw that questions get downvoted at Stack Overflow when they are like "Which java frameworks provide RPC functionality?", because they are off-topic.

Is there a Stack Exchange community where I legitimately can ask such a question?

marked as duplicate by gnat, ben is uǝq backwards, Martijn Pieters discussion Oct 16 '14 at 10:20

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

migrated from meta.stackoverflow.com Oct 16 '14 at 8:52

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You can ask on Software Recommendations. However:

  • Ask for a singular, not a plural. Your question has to be narrowly scoped enough to describe a single desirable framework
  • State very specific features that you want to be present in the framework
  • State things that would be 'nice to have' as nice to have - in a secondary list. Make sure your must-have stuff is above it
  • Give as much detail about how you envision using it as possible, so that you really narrow the number of possible answers
  • Please, don't ask for 'best' or 'good' - folks aren't going to recommend the 'worst' or 'bad' :)

It could very well be that you needs can be met, but it might take a bit of work on your part. Answers will go into this. It could also be that nothing available meets your specific needs, so make sure to put only what's absolutely essential as essential.

In short, your job is to limit (as much as possible) the number of answers that would actually apply.

Just look around prior to asking, I'm pretty sure a few Java framework questions have been asked. If they're totally different from what you hope to get out of something, it's fine to ask.

And yeah, you better read this, and make sure you follow the links it contains :)