Open Watcom Admin:  Open Watcom services including Website, maillist, newsgroups, Perforce, etc
Open Watcom Build System:  The Open Watcom build system
Open Watcom C/C++ Compiler:  The Open Watcom C/C++ Compiler and related tools
Open Watcom Debugger:  The Open Watcom debugger and related tools
Open Watcom Documentation:  The Open Watcom documentation text
Open Watcom Fortran Compiler:  The Open Watcom Fortran Compiler, library and related tools
Open Watcom IDE:  The Open Watcom IDE components, editors and related tools
Open Watcom Installer:  Installation system for Open Watcom
Open Watcom Libraries:  The Open Watcom C, C++, Fortran, Maths, Graphics and other libraries
Open Watcom Tools:  Open Watcom tools, including linker, librarian, assembler, make, resource compiler etc.