Architectural Neutral Distribution Format (ANDF) - A software porting technology, intended to help develop shrink-wrapped software for open systems, independent of any particular processor architecture.
Bloodshed Software: Compilers Resources - Links to free compilers, with sources, compiler construction toolkits, tutorials, articles, other compiler-related sites.
Context - Simple programming language and compiler, with sources on its own input language; DOS, Win32 versions. Some information on compiler design. By Andrei V. Khokhlov.
Dmitry Smaghin - A collection of educational compilers, assemblers, disassemblers, interpreters with sources (C, Pascal). Links to freeware compilers. [English, Russian]
Researchers in Programming Languages and Compilers - A list of home pages for researchers working on programming language theory, design, implementation, and related areas. Maintained by Mark Leone at CMU.
SIGPLAN: Programming Languages - ACM special interest group that explores the implementation and efficient use of programming languages.