Tools used to create the software

All of the below tools are open source:

• MinGW provides the main Windows API's and compiler toolchain (namely the linker, debugger and make)
• GCC 4.4 from TDM's MinGW GCC builds
• Grafx2 for doodling the graphics
• Uses SDL as the main graphics and sound interface
• Notepad++ to write code
• TortoiseSVN to put code in the Google Code repository