Decompiler from Java bytecode to Java, used in IntelliJ IDEA
A reverse engineering suite (decompiler, editor, debugger and more)
Complete IDE for Batch files with BAT To EXE Compiler and Debugger.
A nice program that allows you to make your own database applications.
A standalone Java Decompiler GUI
Electronic design and programming tools suite like Eagle, MpLab
dependently typed functional programming language