This is a list of notable applications that use GTK and/or Clutter for their GUI widgets. Such applications blend well with desktop environments that are GTK-based as well, such as GNOME, Cinnamon, LXDE, MATE, Pantheon, Sugar, Xfce or ROX Desktop.

Official GNOME applications

The GNOME Project, i.e. all the people involved with the development of the GNOME desktop environment, is the biggest contributor to GTK, and the GNOME Core Applications as well as the GNOME Games employ the newest GUI widgets from the cutting-edge version of GTK and demonstrates their capabilities.

Shells, user interfaces, application launchers

Education software

  • Tux Typing – typing tutor for children
  • DrGeo – geometry software
  • GCompris – educational entertainment for children (legacy version only)

Utility software

Operating system administration

End-user utilities

Games

Abstract strategy games

Puzzle games

Graphics

Graphics editors

Image viewers

Internet software

Web browsers

  • Web – default GNOME web-browser
  • Midori – default Xfce web-browser
  • Uzbl – minimalist web-browser
  • xombrero – minimalist web-browser

Email clients

Software for inter-person communication

  • Empathy – instant-messaging client, VoIP and videoconferencing
  • Pidgin – Instant messenger
  • Smuxi – User-friendly IRC Client
  • HexChat – IRC client
  • Gajim – Instant messenger

File sharing

Office software

Tools for programming and development

Optical disc software

Optical disc authoring software

Optical disc ripping software

  • Grip – CD ripper and player
  • Thoggen – DVD backup utility

Audio

Video

Video players

Video editors

Science software

Chemistry

Despite the immense popularity of Qt, there continues to be science software using the GUI widgets of version 2 of GTK toolkit. Whether this is going to remain that way, or whether the software will be ported to some current version of GTK (maybe GTK 4) remains to be seen.

  • Ghemical – computational chemistry software package

Statistics

  • gretl — an open-source statistical package, mainly for econometrics

Various

See also

References