lcdtest is a utility to display LCD monitor test patterns. It may be useful for adjusting the pixel clock frequency and phase on LCD monitors when using analogue inputs, and for finding pixels that are stuck on or off.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux
- BSD
- SDL



Terminal Based Session Manager is an application or session launcher, written in pure bash with no ncurses or dialog dependencies. It is inspired by cdm, tdm, in some way by krunner and related.
Cost / License
- Free
- Open Source
Platforms
- Linux

Cost / License
- Free
- Open Source (GPL-2.0)
Platforms
- Linux
Dell Display Manager enhances everyday productivity through comprehensive management tools giving you optimal front of screen experience, efficient display management and easy, effortless multitasking.
Cost / License
- Free
- Proprietary
Platforms
- Windows


Cost / License
- Free
- Open Source
Platforms
- Mac

XDM (in full, the X Display Manager) is the default display manager for the X Window System. It is a bare-bones X display manager. It was introduced with X11 Release 3 in October 1988, to support the standalone X terminals that were just coming onto the market.
Cost / License
- Free
- Open Source
Platforms
- Linux

The program is designed to adjust the brightness of monitors, laptop displays and other equipment. Runs on Windows 7+ and does not require installation. Works with all external monitors that have DDC/CI support, as well as with built-in displays of laptops, all-in-ones and...


Minimalistic, yet full-featured display manager that provides a fast, dialog-based login system without the overhead of the X Window System. Written in pure bash, CDM has almost no dependencies, yet supports multiple users/sessions and can start virtually any desktop environment...
macOS command line utility to configure multi-display resolutions and arrangements. Essentially XRandR for macOS.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
Terminal User Interface (TUI) Display/Login Manager written in Rust that works on most GNU/Linux and BSD distributions. It can work both with or without SystemD.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Linux











