The Alan SDK for Windows consists of the compiler and interpreter and some examples. This is the GUI version which you need if you are working from the Windows GUI/Explorer view.

If you want to use the AlanIDE, or work directly from the command line, you need the command line version.

The Alan SDK for Windows consists of the compiler, interpreter and some examples. This is the command line version which you need if you are working from a command window or the AlanIDE.

This is the Alan SDK for Linux which consists of the command line compiler and interpreter and some examples. This is suitable for command line based work and for use with the AlanIDE.

This is the Alan SDK for MacOSX which consists of the command line compiler and interpreter and some examples. The MacOSX version are command line based, suitable both for Terminal command based work and for use with the AlanIDE, which is the recommended tool for authoring and compiling.