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Old 07-10-2016, 11:15 AM
cacody cacody is offline
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I have created a couple of apps (at least that's what I call them) using Excel and VBA. I think they are good enough that some folks may want to buy them for their own use. But, I understand there are many issues:
  • Protect code - just setting a password or even obfuscating the code is not enough. There are a couple of tools (for purchase) that I've found that seem to hide the code so that no one but me can access. Anyone know which tool is really good for this purpose?
  • Set up a website - there are many companies out there that will create sites for you. Any ideas which ones might be preferred?
  • Intellectual property - I'm pretty sure that there could be companies out there that could copy the general idea via their own programmers. How to protect my IP? Copyright is not enough I think. Probably patent?
  • Use of EUA - end user agreement is needed?
  • App to sell and collect fees paid - perhaps PayPal? Any ideas?
Okay, so there could be companies out there that manage all of this (for a fee, of course). Suggestions, and a point in the right direction are appreciated.
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Old 07-23-2016, 08:47 PM
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dilettanteSelling Apps dilettante is offline
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While there is an Access Runtime that can be packaged with a pile-o-VBA-in-an-MDE (or ADE or ACCDE) as a sort of "application" I don't think anything similar exists for Excel.

Even then it isn't really "compiled" and the VBA is just stored as p-code with comments stripped out and some flags set telling the VBA engine not to expand it back to source code. This is almost the same thing as VB6 compiled to p-code but not quite. They both risk exposure because p-code is fairly trivial to decompile, just like .Net's MSIL is.

I'm no expert but I don't think there is an Excel "XLE" semi-compiled format. Without an Excel Runtime your users would all need Excel installed anyway, not to mention the versioning headaches that come with that.


Perhaps somebody with some practical experience can offer more positive suggestions. I don't consider a bag of VBA macros to be an "application" in any meaningful software development sense though. The only difference with .Net is that its gargantuan equivalent of the Access Runtime comes bundled into every Windows installation now.
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