.NET W^

Official website: dotnet.microsoft.com

Ada W^

ADO.NET W^

See also: .NET

Adobe Systems W^

Official website: adobe.com

Adobe Acrobat W^

Cheat sheet:
Official website: adobe.com/products/acrobat/
See also: Adobe Systems

AJAX - Asynchronous JavaScript And XML W^

Algebra W^

Tools: WolframAlpha
See also: Math

Amazon Web Services (AWS) W^

Official website: aws.amazon.com

Android W^

Official website: www.android.com

Apache W^

Official website: httpd.apache.org

Apache Ant W^

Official website: ant.apache.org
See also: Apache

Apache Camel W^

Official website: camel.apache.org
See also: Apache, Design Pattern

Apache Cassandra W^

Official website: cassandra.apache.org

Apache Solr W^

See also: Apache, Lucene

APT - Advanced Packaging Tool W^

See also: Debian

Arduino W^

Official website: www.arduino.cc

ASCII - American Standard Code for Information Interchange W^

See also: Characters

ASP - Active Server Pages W^

See also: .NET, WebMatrix

Assembly Language W^

Cheat sheets:
Documentation, Books, Articles:

Astronomy W^

Tools: WolframAlpha

AWK - Aho, Weinberger and Kernighan programming language W^

Azure (Azure Services Platform, Windows Azure Platform) W^

Bazaar (formerly Bazaar-NG, commandline tool bzr) - distributed revision control system W^

Official website: bazaar-vcs.org/
See also: CVS, Git, SVN

Berkeley DB (BDB, Oracle Berkeley DB) W^

Big OW^

BIRT - Business Intelligence and Reporting Tools Project (BIRT Project) W^

Official website: eclipse.org/birt/
See also: Eclipse

Blogger W^

Official website: www.blogger.com

Blueprint - CSS framework W^

Official website: www.blueprintcss.org/
See also: CSS

BPEL - Web Services Business Process Execution Language (WS-BPEL) W^

Official website: OASIS WSBPEL TC Webpage

Business Process Modeling (BPM) W^ and Business Process Modelling Notation (BPMN) W^

Official website: bpmn.org

C W^

See also: C#, C++, GDB, Objective-C, OpenMP

C# W^

See also: C, C++, Java, Objective-C

C++ W^

Calculus and Analysis W^

See also: Math

Camera W^

Catalyst W^

Cheat sheets:
Documentation, Books, Articles:
Official website: catalystframework.org
See also: Perl

Characters W^

Tools: WolframAlpha
See also: ASCII

Chef W^

Official website: www.opscode.com/chef/

Chemistry W^

Tools: WolframAlpha

chmod W^

See also: Linux, Unix

Clojure W^

Official website: http://clojure.org/
See also: Erlang, Haskell

Cloud Computing W^

Official websites:

Cocoa W^

See also: Mac OS X, Objective-C

ColdFusion W^

See also: Adobe Systems

Colour W^

Computer Science W^

Continuous Integration (CI) W^

Countries W^

Cron W^

CSS - Cascading Style Sheets W^

Official website: http://www.w3.org/Style/CSS/

curl (cURL, Curl) W

Official website: curl.se (github.com/curl)

CVS - Concurrent Versions System W^

See also: Bazaar, Git, SVN (Subversion)

Dart W

Official website: dart.dev

Datalog W

DB2 (IBM DB2) W^

db4o W^

Official website: db4o.com

Debian W^

See also: Linux, Unix

Delphi W^

Design Pattern W^

Django W^

See also: Python

Docker W

Official website: docker.com

Doctrine W^

See also: PHP

Doctypes W^

DOM - Document Object Model W^

Official website: http://www.w3.org/DOM/

Domain-driven design (DDD) W^

Official website: dddcommunity.org

DOT language W^

Documentation, Books, Articles:

Drupal W^

Official website: drupal.org

DTD - Document Type Declaration W^

Eclipse W^

Official website: eclipse.org
See also: BIRT, Java, NetBeans

Ed - UNIX Text Editor W^

EJB - Enterprise JavaBean W^

Official website: java.sun.com/products/ejb/
See also: Java

Emacs W^

Erlang W^

See also: Clojure, Haskell

F# W^

Official website: F# at Microsoft Research

Fedora W^

Official website: fedoraproject.org
See also: Red Hat, Linux, rpm

Feed (Web Feed) W^: AtomW^, RSS W^

See also: XML

File W^

Firefox W^

FitNesse W^

Official website: http://www.fitnesse.org/

Firefox Add-ons W^

Official website: http://addons.mozilla.org/

Fonts W^

Fortran W^

See also: GDB, OpenMP

Freeware W^

FTP - File Transfer Protocol W^

GDB - GNU Debugger W^

See also: C, C++, Fortran

Geometry W^

See also: Math

Gift W^

Gimp W^

Official website: www.gimp.org
See also: Photoshop

Git W^

Cheat sheets:
Documentation, Books, Articles:
Official website: git-scm.com
See also: Bazaar, CVS, SVN.

Gmail W^

Official website: gmail.com
See also: Google

Go (Golang) W^

Cheat sheets:
Documentation, Books, Articles:
Official website: golang.org

Google W^

Official website: http://www.google.com/

Google App Engine W^

Official website: appengine.google.com
See also: Cloud Computing

Google Chrome W^

See also: Google

Google Maps W^

Official website: maps.google.com
See also: Google

Grails W^

Official website: grails.org
See also: Java

Griffon W^

Official website: griffon.codehaus.org
See also: Java

Groovy W^

Official website: groovy.codehaus.org
See also: Java

Guitar W^

See also: Music

GWT - Google Web Toolkit W^

Official website: gwtproject.org
See also: AJAX, Google, Java, JavaScript

HAProxy W^

Cheat sheets:
Documentation, Books, Articles:
Official website: haproxy.org

Hardware W^

Hadoop W^

Official website: http://hadoop.apache.org/
See also: Apache

Haskell W^

Official website: http://haskell.org/
See also: Clojure, Erlang

HBase W^

Official website: hbase.apache.org
See also: Apache

Hibernate W^

Official website: hibernate.org
See also: Java

.htaccess W^

See also: Apache, mod_rewrite

HTML - HyperText Markup Language W^

Official website: http://www.w3.org/html/

HTTP - Hypertext Transfer Protocol W^

Illustrator W^

Image W^

InDesign W^

Inkscape W^

Official website: inkscape.org

IntelliJ IDEA W^

Official website: jetbrains.com/idea/
See also: Java

International Phonetic Alphabet W

IRC - Internet Relay Chat W^

Java W^

Documentation, Books, Articles:

Java HotSpot Virtual Machine W^

Java EE - Java Platform, Enterprise Edition W^

Cheat sheets:
Documentation, Books, Articles:
See also: Java

Java Persistence API (JPA) W^

See also: Java

JavaScript W^

JavaServer Faces (JSF) W^

See also: Java, RichFaces, Seam

JBoss W^

See also: Java

JDBC - Java Database Connectivity W^

See also: Java

Jetty W^

jQuery W^

JSP - JavaServer Pages W^

See also: Java

JUnit W^

Official website: junit.org
See also: Java

Julia W^

Official website: julialang.org

Kotlin W

Official website: kotlinlang.org

Kubernetes W^

Official website: kubernetes.io

Languages W^

LaTeX W^

See also: MathML, TeX, LaTeX-Suite

LaTeX-Suite (aka Vim-LaTeX)

Official website: vim-latex.sourceforge.net/
See also: LaTeX, Vim

less W^

Linux W^

Lisp W^

Logic W^

Lotus Domino W^

Lua W^

Cheat sheets, reference cards, reference sheets, crib sheets:
Documentation, books, articles:
Official website: lua.org

Lucene W^

Cheat sheets, reference cards, reference sheets, crib sheets:
Documentation, books, articles:
Official website: lucene.apache.org
See also: Apache, Apache Solr

Mac, Macintosh W^

See also: Mac OS X

Mac OS X W^

Official website: apple.com/macosx/

Machine LearningW^

Maple W^

Markdown (CommonMark) W^

CommonMark: commonmark.org/
CommonMark Spec: spec.commonmark.org/

Math, Mathematics W^

Tools: WolframAlpha

Mathematica W^

MathML - Mathematical Markup Language W^

Official website: w3.org/Math/
See also: XHTML, XML, XML Schema, XPath XSL, XSLT

Mathomatic W^

Official website: www.mathomatic.org

MATLAB W^

Maven (Apache Maven) W^

Official website: maven.apache.org
See also: Apache, Java

Maxima W^

Official website: maxima.sourceforge.net

MFC - Microsoft Foundation Class Library W^

Microformats W^

Official website: http://microformats.org/

Microsoft Excel - Microsoft Office Excel and VBA - Visual Basic for Applications W^

Microsoft Office W^

Official website: www.office.com

Microsoft Project (MSP) W^

Microsoft Visual Studio W^

MIME - Multipurpose Internet Mail Extensions W^

mod_perl W^

Official website: http://perl.apache.org/
See also: Apache, Perl

mod_rewrite W^

See also: Apache, htaccess

MooTools W^

Official website: http://mootools.net/
See also: AJAX, JavaScript

Mozilla Thunderbird W^

Official website: mozilla.com/thunderbird/

Mule W^

Official website: mulesoft.org
See also: ServiceMix

Music W^

Tools: WolframAlpha
See also: Guitar

MVVM (Model View ViewModel) W^

MySQL W^

Official website: mysql.com

NanoW^

Official website: nano-editor.org

NetBeans W^

Cheat sheets:
Documentation, Books, Articles:
Official website: netbeans.org
See also: Eclipse, Java

Neural NetworkW^

Node.js W^

Official website: nodejs.org
See also: JavaScript

Notepad++ W^

Official website: notepad-plus-plus.org

Nginx W

Official website: nginx.org

NMAP W^

Cheat sheet:
Official website: nmap.org

Numbers W^

Objective-C W^

See also: C, C#, C++, Cocoa, Mac, Mac OS X

The Open Graph protocol (og:)

Official website: ogp.me
See also: HTML

OpenCL W^

OpenCV W^

Official website: http://opencv.org/

OpenMP (Open Multi-Processing) W^

Official website: http://openmp.org/
See also: C, C++, Fortran

OpenSearch W^

Official website: http://www.opensearch.org/

OpenSCAD W^

Official website: http://www.openscad.org/

OpenSSH - OpenBSD Secure Shell W^

Official website: http://www.openssh.org/

OpenVZ - Open operating system-level virtualization W^

Official website: http://openvz.org/

Oracle W^

Official website: oracle.com
See also: DB2, MySQL, PostgreSQL, SQL, SQLite, Sybase

org-mode W^

Official website: orgmode.org

PARI/GP W^

Cheat sheets:
Documentation, Books, Articles:
Official website: pari.math.u-bordeaux.fr

Perforce W^

Official website: perforce.com

Perl W^

Official website: http://www.perl.org/
See also: Catalyst, mod_perl

Photoshop W^

PHP W^

Official website: http://php.net/

PHP Frameworks W^

See also: PHP

Physics W^

Play Framework W^

Cheat sheets:
Documentation, Books, Articles:

PostgreSQL W^

Official website: http://www.postgresql.org/
See also: DB2, MySQL, Oracle, SQL, SQLite, Sybase

Probabblock max-w-sm p-6 bg-white border border-gray-200 rounded-lg shadow hover:bg-gray-100 dark:bg-gray-800 dark:border-gray-700 dark:hover:bg-gray-700ty Theory W^

See also: Math

Prolog W

Prototype W^

Official website: http://prototypejs.org/
See also: AJAX, JavaScript

Python W^

Official website: http://www.python.org/
See also: Django

Qt W^, Qt Creator W^

Official website: qt.nokia.com
See also: C++

Quarkus W^

Official website: quarkus.io

Quicksilver W^

Official website: blacktree.com

R W^

Official website: r-project.org
See also: Statistics

Rebol W^

Official website: www.rebol.com

Red Hat W^

Official website: redhat.com
See also: Fedora, Linux, rpm

Redis W

Official website: redis.io (github.com/redis)
See also:

Regular Expressions W^

REST (Representational State Transfer) W^

RichFaces W^

Official website: jboss.org/richfaces/

rpm - Red Hat Package Manager W^

Official website: http://www.rpm.org/
See also: Linux, Fedora, Red Hat

Ruby W^

Official website: ruby-lang.org
See also: Ruby on Rails

Ruby on Rails W^

Official website: rubyonrails.org
See also: Ruby

Rust W

Official website: rust-lang.org

SageMath (Sage, SAGE)W^

Cheat sheets:
Documentation, Books, Articles:
Official website: sagemath.org

Sandcastle W^

Cheat sheets:
Documentation, Books, Articles:
Official websites:
See also: .NET

Scala W^

Official website: scala-lang.org

Scalabblock max-w-sm p-6 bg-white border border-gray-200 rounded-lg shadow hover:bg-gray-100 dark:bg-gray-800 dark:border-gray-700 dark:hover:bg-gray-700ty W^ and High Availabblock max-w-sm p-6 bg-white border border-gray-200 rounded-lg shadow hover:bg-gray-100 dark:bg-gray-800 dark:border-gray-700 dark:hover:bg-gray-700ty W^

See also: Cloud Computing

Science W^

Screen - Screen VT100/ANSI Terminal Emulator W^

Seam W^