Examples of open source software

  • Linux (see http://www.linux.org/): a computer operating system and kernel originating as a UNIX system and existing in many versions.
  • GNOME (see http://www.gnome.org/): a desktop development environment providing tools for developing desktop applications (as well as its own basic desktop applications) and available for Linux and other UNIX systems.
  • KDE (see http://www.kde.org/): another desktop development environment.
  • Apache (see http://www.apache.org/): a web server program (for supplying pages in response to requests) used in most web server computers and available for Windows as well as Linux and other UNIX systems.
  • Firefox (see http://www.mozilla.org/firefox/): a web client program (for viewing and hearing web pages) available for Windows and Mac as well as Linux and other UNIX systems.
  • Dovecot (see http://www.dovecot.org/): an email server program (for sending and receiving email) supporting POP3 and IMAP and available for Linux and other UNIX systems.
  • Postfix (see http://www.postfix.org): an email server program (for sending and receiving email) supporting SMTP and available for Linux and other UNIX systems.
  • SquirrelMail (see http://squirrelmail.org/): an email application (for reading and writing email through a web client program) supporting IMAP and SMTP and available for Windows and Mac as well as Linux and other UNIX systems.
  • Thunderbird (see http://www.mozilla.org/thunderbird/): an email client program (for reading and writing email) supporting POP3, IMAP and SMTP and available for Windows and Mac as well as Linux and other UNIX systems.
  • OpenOffice (see http://www.openoffice.org/): an office application set (for word processing, spreadsheet manipulation, picture drawing and data base access) compatible with all other major office application sets such as Office and available for Windows and Mac as well as Linux and other UNIX systems.
  • KOffice: (see http://www.koffice.org/): another office application set.
  • Asterisk: (see http://www.asterisk.org/): a Private Branch eXchange (PBX) providing features such as interactive voice response, conference bridging and call queuing (as well as analogue, digital and VoIP telephony), supporting H.323, SIP and IAX2 (and other VoIP protocols), and available for Mac as well as Linux and other UNIX systems.
  • FreeSWITCH (see http://www.freeswitch.org/): a VoIP development environment providing tools for developing applications like phones and switches, supporting H.323, SIP and IAX2 (and other VoIP protocols), and available for Windows and Mac as well as Linux and other UNIX systems.
  • GnuGK (see http://www.gnugk.org/): a VoIP gatekeeper (for some H.323 deployments) available for Windows and Mac as well as Linux and other UNIX systems. 

Learn More