Free ticket
Weiqi Gao has a nice piece about innovative usage of the GNU Classpath stack. Weiqi notes projects adopting GNU Classpath and free runtimes/compilers like gcj and ikvm get the freedom to move to new kinds of platforms and get new distribution opportunities:
Take a look at the free tools. You may have already won a free ticket to those places (natively compiled executables, .NET environment, bundled with a [GNU/]Linux distributions and end up on millions of computers)! if your code compiles and runs with a free compiler and runtime.