"Imagine where free software would be today if it weren't for the GNU C Compiler! Just as free software depends heavily on free compilers, so does free design rely on having free computer aided design and authoring tools.
"Before the gcc was created, when free software had to be written on proprietary compilers, the software development community was limited to the very small number of people who could afford to purchase such tools--either because they were professional programmers or very dedicated amateurs..."