Development Assistant for C - - IDE for Embedded Software development in ANSI C. Editor, Browser, Call-Hierarchy Graph, Software Metrics, Makefile Generator, Tool Integration. Interface to Debuggers and Version Control Systems.
Freeware for Solaris - - precompiled Gnu C and C++ binaries for Solaris, for Sparc and Intel architectures.
lcc - - Retargetable ANSI C compiler for ALPHA, SPARC, MIPS R3000, Intel x86.
LCC-Win32 - - A compiler system for Windows 95 - NT, includes lcc, a development environment, and other tools.
MCPP - - A portable C/C++ preprocessor supporting several compiler-systems on UNIX and Windows. mcpp supports C99 and C++98 as well as C90 and it provides Validation Suite which tests C/C++ preprocessor comprehensively.
Miracle C Compiler - - Runs under Windows 98/ME/2000/XP and compiles for DOS box/console. Provides a multi-window development environment with integrated compiler and linker.
Mix Software Inc - - Makers of Power C for DOS, Win32, and Linux. C++ addons, but no compile.
Open Watcom - - Open Source project to maintain and enhance the Watcom C, C++ and Fortran Compilers.
Pallyc Project - - Pallyc is a simplified C compiler that supports nested-function definition. Open-source project, source and binaries available.
Pelles C - - A complete IDE and development kit for Windows and Pocket PC. The compiler is based on LCC, and the install builder for Windows is based on NSIS. Both are heavily modified.
TenDRA - - The home of the open source TenDRA C/C++ compiler. [Open source, BSD.
Tiny C Compiler - - Small compiler generating optimized x86 code.
TinyCC-Win32 - - The small and fast C compiler usable as a library or exe. For I386 primarily. It also include linker and assembler. [Open source, LGPL.
Unicals Group - - A vendor of C/C++ development tools for OEM market.