jEdit
JCalculator for Linux (32-bit)
FreeCalculate bitwise and power expressions as formula.
Linux
jEdit
FreejEdit: Robust Cross-Platform Programmer's Text Editor
Windows
JMail
FreeJMail: Robust Email Features Integrated into jEdit
WindowsCheckStyle
FreeAdd a plugin to your jEdit which checks for code errors.
WindowsjEdit(dev)
FreejEdit: A Powerful, Extensible Programmer's Text Editor
Windows