Source codes of Compilers, Servers

PHP interpreter source code

small C compiler source code
Tiny c implementation

C header files
C header files another version

forum for unix commands

Cygwin
Mingw
MinGW other

server source in c,python, php,tcl, perl

simple server in C
simple server in Python
Perl Interpreter Source code
PHP Interpreter source code
TCL source code
C#

Top ten best applins written in C/C++

Google chrome's Java Script engine
Java script engine of Mozilla

Mono C# compiler

Unix book with a simple databse engine code

Linux kernel source
Linux 0.01 release source

Perl
Perl bzipped code
perl gzipped code

XML parser

Search Engine source code

SQLite - Sql like engine code