Application Development
API
- wsgen
Bug Reporting
- Bugzilla
- Trac
Cache Management
- Ehcache
- Memcached
Compilation (C/C++)
- cc
- gcc
- g++
Continuous Integration
- Jenkins
- Travis
- CircleCI
Configuration
- Ansible
- Chef
- Juju
- Puppet
- Salt
- Vagrant
Data Validation
- jsonlint
- xmllint
Data Storage
- NoSQL
- Arangodb
- Cassandra
- Couchdb
- Mongodb
- Neo4j
- Redis
- SQL
- Mariadb
- Mysql
- Postgresql
- Sqlite
Debugging
- gdb
- ltrace
- strace
Package Management
- npm
- pip
- snap
- flatpak
Design Tools
- Dia
- Umbrello
- Umlet
Metrics
- ps
- netstat
Library Linking
- ldconfig
- ldd
- ld
- ar
- nm
- ranlib
Localization
- locale
- gettext
- gettextize
Logging
- Log4j
- Commons Logging
Queue Systems
- Apache Kafka
- Apache ActiveMQ
Search Tools
- grep
- find
- locate
Version Control
- Git
- SVN
- Mercurial
- Bazaar
- Fossil
- Pijul
Wiki Platforms
- Dokuwiki
- Mediawiki
- Phpwiki
- Twiki
- Xwiki
Operating Systems
Desktop Environment
- KDE
- GNOME
- XFCE
- LXDE
Filesystem
- ext4
- Overlayfs
- Aufs
Linux Distributions
- Archlinux
- Debian
- Fedora
- Ubuntu
- CentOS
- Opensuse
Unikernels
- ClickOS
- MirageOS
- OSv
- HaLVM
Web Development
Haskell
- Happstack
- Snap
- Yesod
Java
- Grails
- Play
Javascript
- Angularjs
- Backbonejs
- Emberjs
- Expressjs
- Meteor
- Nodejs
PHP
- Cakephp
- Laravel
- Symphony
- Zend
Python
- Django
- Flask
- Pyramid
Ruby
- Rails
Programming Languages
C
C++
Clojure
Dart
Elixir
Elm
Erlang
F#
Fortran
Go
Groovy
Haskell
Java
Javascript
Julia
Lisp
Lua
OCaml
Perl
PHP
Prolog
Python
R
Ruby
Rust
Scala
Scheme
Smalltalk
SQL
Wyvern
Data Analysis & Visualization
Analysis Tools
- Ipython
- Pandas
- Pentaho
- Mondrian
Visualization
- D3
- Gephi
- Gnuplot
- Matplotlib
- Processing
Container Technologies
Containers
- Docker
- LXC
- Runc
- Rocket
- Openvz
Editors & IDEs
Text Editors
- Vim
- Emacs
- Atom
- Aloha
Markdown
- Retext
Computer Graphics
2D Graphics
- Inkscape
- Gimp
- Krita
3D Graphics
- Blender
Video
- pitivi
CMS & Web Platforms
CMS
- Wordpress
- Drupal
- Joomla
- Ghost
Web Servers
- Apache
- Nginx
- Tomcat
- Lighttpd
- Jetty
Forums
- Discourse
- Phpbb
- Bbpress
- Vanilla
Machine Learning & AI
ML Frameworks
- Mahout
- Opencv
- Orange
- Spark
NLP
- Nltk
Additional Tools
Shell
- Bash
- Zsh
- Fish
- Ksh
Browsers
- Firefox
- Chromium
Computing
- Maxima
- Octave
- R
Music
- Lilypond
- Musescore
- Frescobaldi
Semantic Web
- Jena
- Protege
Dictionary
- Artha
- Aspell
- Goldendict