DJGPP is a port of the GNU development programs to the MS-DOS (or compatible) operating environment. These utilities run in the processor's 32-bit mode, and produce programs that run in the processor's 32-bit mode. The use of 32-bit integers and pointers makes it easy to write fast programs that deal with large amounts of data or instructions.

Is djgpp GNU software?
Is djgpp shareware?
Is djgpp public domain?

Can I write Windows programs with djgpp?
Can I write Windows/NT programs with djgpp?
Can I write OS/2 programs with djgpp?

Can I write commercial programs with djgpp?
Can I redistribute djgpp?

A comparison between EMX and DJGPP