It can stay provided that it is a vbulletin related add-on. I didn't yet check the source code but if it is a script that integrates with vbulletin (in other words should it require people to have vbulletin to install it), this is the correct forum and it can stay. But if it is just a "site main page" that works whether you have vbulletin or not, this is not the correct place to release it.
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