This seems to be an Eclipse bug. Context help works in case there is a textfield visible on the wizzard page. Without a textfield the context help doesn't show up.
The Algorithms view is not reacting on Linux. No wizard or view opens when double clicking on an entry. The wizards/ views do work and can be launched via the normal menu. This seems to be only happening on Linux. Exception is:
java.lang.ClassCastException: org.eclipse.gef.internal.ui.palette.editparts.DrawerEditPart cannot be cast to...
Switching the language via the preferences dialog is not working and results into an exception:
java.io.FileNotFoundException: /Users/dos/Downloads/jcryptool/JCrypTool.app/Contents/MacOS/JCrypTool.ini.bak (No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.(FileInputStream.java:106)
at java.io.FileReader.(FileReader.java:55)