Ulauncher is a fast application launcher for Linux. It's is written in Python, using GTK+.
|App Search||File Browser||Custom Themes|
Download it at ulauncher.io
As of Ulauncher v3, you can create your own Ulauncher extensions Check out docs.ulauncher.io to find out how.
As of Ulauncher v4, you can create your own color themes Check out docs.ulauncher.io to find out how.
If your distribution packages ulauncher.service properly, then you can run
ulauncher on startup by running:
systemctl --user enable ulauncher.service
- Ubuntu 14.04 is not supported since v4.0
- If your DE doesn't use compositing, run ulauncher with
--no-window-shadowto remove a black box around a window
- [Solved] inotify watch limit reached
- [Workaround exists] Can't map the keys to ALT+SPACE
- [Workaround exists] Hotkey doesn't work in Wayland when is triggered from certain apps
- [Workaround exists] Border appears around ulauncher window in Sway DE
|Frontend for extensions website
|API for extensions website
Uses Python and bottle library
Any code contributions are welcomed as long as they are discussed in Github Issues with maintainers. Be aware that if you decide to change something and submit a PR on your own, it may not be accepted.
Checkout Code Contribution Guidelines for more info.
Setup Development Environment
You must have the following things installed:
Application runtime dependencies. (You don't have to manually install these if you have already installed Ulauncher)
sudo apt-get install \ libkeybinder-3.0-0 \ libgtk-3-0 \ gir1.2-gtk-3.0 \ gir1.2-keybinder-3.0 \ gir1.2-webkit2-4.0 \ gir1.2-glib-2.0 \ gir1.2-notify-0.7 \ gir1.2-gdkpixbuf-2.0 \ gir1.2-ayatanaappindicator3-0.1 \ python3-dbus \ python3-levenshtein \ python3-pyinotify \ python3-websocket \ python3-xdg
Build and Run
$ ./ul init-dev-envinstalls Ulauncher data to
$ ./ul dev-containerwill take you into a Docker container from which you can run build and test scripts. Use
sudo -E ./ul dev-containerif your user is not in the
[email protected]: # ./ul build-preferencesbuild preferences UI in JS/HTML
[email protected]: # ./ul testruns linter, type checker, and unit tests
$ ./ul runruns the app
Check out output of
./ul to find more useful commands.
See the LICENSE file for license rights and limitations (GNU GPL v3.0).