Afterwards I installed the production software which needs to add a JVM parameter user.country=CH to have the proper date and time format used in Switzerland. This had a unwanted side-effect to Psi-Probe. The Interface switched to German, no way to switch the language back to English. Since my mother tongue is German, no big deal so far. Really? No! I had really problems to understand what navigation items etc. are meaning. The German translation was that bad, it actually crippled the application.
I had the choice to either life with it, or change it and contribute it to the project. I made the later. It was about one hour of work. Hours after submitting, the changed translation file it was in SVN. The next version now comes with a much improved German translation.
This is how open source software works. If someone is not happy with the product, simply change the annoying things and submit it upstream. By the way: Psi-Probe itself is a fork of Lambda-Probe which was not maintained anymore from its origin project owner.
Try to do that with closed source software…