Server Platform and Operating System

Linux, FreeBSD

Java, Palm, Windows CE

Linux, FreeBSD

Client Platform and Operating System

Linux, FreeBSD, Windows, Macintosh

Java, Palm, Windows CE

Linux, FreeBSD, Windows, Macintosh

GUI Application Development

Java, PHP-GTK

Java

Java (AWT, Swing), Motif, GTK

Implementing Business Logic

C, C++, Java, PHP

C, C++, Java

C, C++, Java

Server-side Scripting

PHP, Perl, Python, JSP, HTTP, SOAP

J2ME, PHP

PHP, Perl, Python, JSP

Client-side Scripting

XML, CSS, SVG, WML, JavaScript

XHTML, WML

XML, XHTML, JavaScript

Server Technology

Apache, Zope

Apache

Apache, Zope

Database System

MySQL, PostgreSQL

MySQL

MySQL, PostgreSQL, Oracle, MS SQL Server, MS Access, Sybase, Ingres