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>Right now this is all hypothetical for me. I'm not expecting to leave soon and I don't necessarily want to re-use the framework I have developed here. I was interested to see what UT users were doing about these matters.
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>Partly, I am interested in knowing how to make use of commercial frameworks when changing jobs. Many here recommend using them, but it seems as if, in order to continue using one, I would have to persuade each employer to buy the license for it, unless (1) I owned it and (2) the client wasn't getting any of my code. I suppose that, as one of you pointed out, my experience with that framework would be an employer's incentive to buy it and use it.


Adding a commercial framework changes things a bit. You will be bound by the licensing agreement of the framework, which typically say something like "You can only distribute a runtime application". If you are hired as an employee, the employer will most likely be required to buy the framework. Again, it is different for a consultant doing a work for hire.