Hardware
- Atmega 32
- IBM PC
- Pocket PC
- SGI
- SUN
DBMS & Search
- DB2
- Cassandra
- ElasticSearch
- Hbase/Phoenix
- Kudu/Impala
- Memcached
- MongoDB
- MySql
- Oracle
- Redis
- Sphinx
- SqLite
- SQL Server
- Sybase
Languages
- ASP/.NET
- Assembly
- Bash
- C/C++
- C#
- CSS
- HTML
- Java
- JavaScript
- JSON
- NodeJS
- OCL
- Perl
- PHP
- PowerBuilder
- Python
- QBasic
- Ruby
- Scala
- SQL
- UML
- VB/VBA
- XML
- XHTML
Products
- ADO/DAO
- Ant
- Apache
- Bash
- COM
- Confluence
- FileMaker
- HipChat
- ICQ
- Internet
- JDBC
- Kafka
- Lotus Notes
- Lync
- Maven
- Maxwell
- MFC
- MS Access
- MS IIS
- MS Office
- MS Project
- New Relic
- NGINX
- ODBC
- OpenOffice
- OpenProject
- Phing
- Postfix
- Rational Rose
- Samba
- Sbt
- Swing
- Syslog-ng
- Telnet
- Vim
- Visio
- Visual Studio
- Wireshark
- WordPerfect
Architecture & Cloud
- SaaS
- PaaS
- CDN
- NAS
- AWS
- Azure
- SQS
- IAM
- Docker
- REST
- SOAP
- RMI/CORBA
- Data Pipeline
- Data Warehouse
- Elastic Beanstalk
CMS & Frameworks
- Cake
- Doctrine
- Drupal
- Eloquent
- Flask
- Joomla!
- Laravel
- NStein WCM
- Symfony
- Typo3
- WordPress
- Play!
- Spray
- Akka Http
- Zend Framework
- Expression Engine
Dev Tools & CI/CD
- BDD
- CVS
- Docker
- GitHub
- Git
- Jenkins
- JIRA
- PHPUnit
- Puppet
- PyTest
- Redmine
- Remedy ARS
- Scrum
- Selenium
- Sourcesafe
- Stash
- SVN
- TDD
- Trac
- Vagrant
- VirtualBox
Systems
- CentOS
- Debian
- Dos
- iOS
- IRIX
- Linux
- Mac OS X
- μcOS II
- RedHat
- Solaris
- Ubuntu
- Windows 2000
- Windows 7
- Windows CE
- Windows 95
- Windows 98
- Windows Me
- Windows NT
- Windows Vista
- Windows XP
Networking
- Banyan Vines
- FTP
- HTTP
- Novell (NDS)
- SMTP
- SSH
- SSL/LTS
- TCP/IP
- Telnet
- Unix/Linux
- VNC
- VPN
- Windows 2000
- Windows NT
- Windows XP