I know that under the ASL, others would not be required to contribute back. And that under the LGPL, we have been successful in compelling (yes, compelling) people who were shipping modified binaries to provide the modifications back.
The 90% IT thing is not really a significant consideration. Those who modify and don't contribute aren't going to change course based on the license. The...
2009-08-19 17:06:10 UTC in Trove for Java