Jad is free for non-commercial use, but since the version 1.5.6 it's no longer free for commercial use. This means that Jad cannot be included into software products (especially decompilers) without my prior permission. If you want to use Jad (as a command-line utility or as a library) in your product(s) please contact me for conditions. At the same time, Jad can be used freely for personal needs in a commercial or non-commercial environments.
links for 2008-11-1010 11 2008