Programming Languages

Java (AWT, Swing)
C/C++ (ANSI C, GNU C/C++, Intel C/C++, Embedded C, Watcom C/C++)
C#
Microsoft Visual Basic
Visual Basic .NET
Objective-C
Scripting Languages (JavaScript, VBScript, JScript, Perl, PHP, Python, Action Script, etc)

Open Source (Perl, Python, PHP, Tcl, Lex, Yacc, etc)
Delphi (Object Pascal)
x86/CISC, RISC Assembler
Ada
SQL92
FORTRAN
PL/SQL
T-SQL

Relational Database Management Systems (RDBMS)

Oracle
Microsoft SQL Server
Sybase
MSDE

Microsoft Access
MySQL
PostgreSQL
Microsoft Visual FoxPro
Clipper

Java Technologies

Applets, Servlets, JSP
J2ME
J2SE

J2EE
JMS
JMF

Microsoft Technologies

.NET (ASP.NET, COM+, ADO.NET, etc.)
General (Win32 API, COM, DCOM, ActiveX, MDAC)

WinSockets (TCP/IP, IPX/SPX)
ODBC, OLE DB, ADO, DAO
Windows DDK

UNIX and Linux Technologies

GNOME
General (BSD, SVR4, IPC, X Window, POSIX Threads)
Berkeley Sockets (TCP/IP, IPX/SPX)

CORBA
POSIX
CLI

WEB Technologies and Protocols

HTTP/HTTPS
XML/SOAP
Web Services (WSDL, UDDI, etc.)
WAP/WML

XML/XSLT
HTML/DHTML
Apache Modules
ISAPI
CGI  

Application and WEB Servers

IBM WebSphere Application Server
JBoss
Macromedia JRun
Macromedia ColdFusion

BEA WebLogic Platform
Tomcat
Microsoft IIS
Apache
Borland MIDAS

Reporting and OLAP

Crystal Reports
Microsoft SQL Server/Enterprise Reporting Services

Microsoft Analysis (OLAP) Services

Game Development, Multimedia and Virtual Reality

Microsoft DirectX
OpenGL
VRML
X3D
Java 3D

Autodesk 3ds Max
Alias Maya
Macromedia Flash
Macromedia Flex
Windows Media Player
Apple QuickTime

Network and Protocols

TCP/IP
IP Networks
ATM Networks
Wireless Networks (Wi-Fi, Bluetooth)
QoS
xDSL
SSH
SSL/TLS/OpenSSL 

SNMP
LDAP
RAS
DNS
FTP
MAPI
IMAP, POP3, SMTP
RS-232  

Project Management Tools

Integrated Development Environments

Microsoft Visual Studio
Borland JBuilder
Borland Delphi
Oracle Developer Suite
Sybase PowerBuilder

VisualCafe
Eclipse
IntelliJ IDEA
VisualAge

Modeling Methodologies/Case Tools

UML
Rational Rose XDE Developer
ERwin Data Modeler

Microsoft Visio
Oracle Designer
Enterprise Architect
Borland Together technologies

Interactive Design Tools

Adobe Illustrator
Adobe PageMaker
Adobe Photoshop
CorelDRAW Graphics
Corel Paint Shop Family
Microsoft Frontpage

Macromedia Dreamweaver
Macromedia Flash
Macromedia FreeHand
Macromedia HomeSite

Configuration Management Tools

CVS
Microsoft Visual SourceSafe

IBM Rational ClearCase

Mobile Technologies, Pervasive Computing

Windows CE
Windows XP Embedded
Handhelds/Palm OS
Smartphones
WAP

GSM/GPRS
SMS
MMS
Bluetooth
Wi-Fi
IrDA

Frameworks

Struts
Spring
Cocoon
Tapestry 

Velocity
Hibernate
Cheetah

Libraries

ATL
VCL
MFC
wxWidgets

KDE
Boost
SWIG

Operating Systems

Microsoft Windows NT/2000/XP
Microsoft Windows Server 2003
Microsoft Windows 9x
Microsoft Windows XP Embedded
Microsoft Windows CE
Microsoft MS-DOS
Palm OS
Symbian OS

Mandriva Linux
Apple Mac OS X
FreeBSD 
OpenBSD 
Sun Solaris 
SunOS 
IBM AIX 
SCO UnixWare