FindBugs-IDEA -- Static byte code analysis to look for bugs in Java code from within IntelliJ IDEA.
GenerateSerialVersionUID -- Generates serialVersionUID field in the current class.
Hungry Backspace -- Modifies backspace key to hungrily delete whitespace.
Native Neighbourhood -- Shows active file in explorer or opens a command shell in active file's directory.
SmarterEditor -- Actions which reduce unnecessary caret movements.
TabSwitch -- Windows Alt+Tab like interface for all currently opened files.
UpperLowerCapitalize -- To change case to upper, lower, capitalize or invert the case of text.