Tens umas quantas aqui mas basicamente:
http://en.wikipedia.org/wiki/Comparison_of_WAMPs * AppServ
Extras: PHPMyAdmin.
* EasyPHP
Extras: PHPMyAdmin, SQLiteManager.
* phpdev
Extras: PERL, phpMyAdmin, PHP-GTK.
* Uniform Server
Extras: Perl, PHPMyAdmin.
* WAMPSERVER
Extras: PHPmyadmin, SQLitemanager
* Web Developer Server Suite
Extras: OpenSSL, Perl, phpMyAdmin (Setup for multi-user environment; Relational Features enabled), analog 6.0.
* XAMPP
Extras: PEAR, Perl, OpenSSL, phpMyAdmin, Webalizer, Mercury Mail Transport System for Win32 and NetWare Systems, FileZilla FTP Server, eAccelerator, SQLite, WEB-DAV.
* ZendCore
Extras: Zend enabler, Zend optimized, Zend framework, Universal DB Support (MySQL, Oracle, etc.), Zend Admin GUI, Zend Core Updater.
Creditos techzonept