I write software for a living...and I'm always thinking of things I'd like to write.
I'm not nearly as good at actually writing them.
Anything listed here has at least made the proof-of-concept stage.
At the moment, I plan to release all of my applications as "donationware" for individual users, and bulk-use license for institutions (like schools). Individuals can use my programs all they like. I expect institutions to contact me to arrange reimbursements (I think it's only fair...if you are making money or saving time from my work, I want a piece of the action. I promise to be reasonable!* :)
* my definition of reasonable is the only definition which applies.
Andor's Trail is a great and free game. I like it enough that I've decided to make maps for it.