advise the decision to build a survey [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. 开发者_StackOverflow Closed 12 years ago.

advise the decision to build a survey for users on RoR or PHP

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Why build when you already have an open source application existing in php? See http://www.limesurvey.org/

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For RoR. I'm finded this gem: http://github.com/breakpointer/surveyor