Just a quick note that if you happen to be looking for a license key generator (or "license key manager") for a Java desktop (Swing) application, I've been taking a look at the TrueLicense library on java.net, and although it is several years old now, it seems to work well, and the author certainly put a lot of time and thought into it.
As a word of caution, I did find the author's tutorial difficult to read, so I highly recommend looking at an introductory doc written by Martin Paulo. (Just search for his name on the TrueLicense homepage and you'll find a link to that doc.) After reading that doc, the author's tutorial made more sense to me.
I don't know how many people need a Java license key generator, but if you're in the market for one, and "free" (or donation-ware) is your right price, I recommend taking a look at the TrueLicense license key generator for Java applications.
Using True License as a Java license key manager - Update
Okay, I've finally gotten around to releasing my True License client and server code. You can find it in these two articles:
If you need a Java license key manager for your software applications, True License is a good, open source solution, and with these two articles, you should be able to implement True License easier than ever before.
Java Store update
In a related note, the "Java Store" is still in beta. If you haven't heard of it before, the Java Store "is an application storefront that provides an easy and secure way to discover Java applications for your desktop." I don't know what they're doing for software licensing and license management, but I thought I'd mention this "store" again here today. I appreciate what they're doing, I just wish this was available a long, long time ago.
books by alvin
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