Oracle Solaris Studio

Oracle Solaris Studio, formerly Sun Studio, is an extensive developer's programming package that includes compilers (Fortran 77, 90 and 95, C, C++), a debugger, and various profiling tools. It features, a graphical user interface, interfaces with a variety of editors, as well as a makefile facility. It lets you develop and modify programs and keep track of your work in the form of "projects".