ddcutil
6.6#1 in monitor control softwareFree planFree planAPILinuxSelf-hosted
Visitddcutil vs ExtLume
What both publish
| Fact | ddcutil | ExtLume |
|---|---|---|
| Monitor controls | Its commands can detect monitors, report capabilities, read and set VCP feature values, and save or restore color related settings. | The app provides a separate slider for each safely identified active external display and shows its EDID model name. |
| Purpose | ddcutil is a Linux program for managing monitor settings such as brightness, color levels, and input source. | ExtLume is a Windows tray app for adjusting external monitor brightness when Windows provides a brightness slider only for the laptop panel. |
| Support | The project directs technical support questions, bug reports, and feature requests to its GitHub issue tracker. | The maker directs users to GitHub Issues for general troubleshooting and recommends including app, Windows, laptop or GPU, monitor, connection path, control mode, and expected-versus-actual result in compatibility reports. |
ddcutil plans
- ddcuiFree
- ddcutilFree
ExtLume plans
- ExtLumeFree
Pick ddcutil if…
It suits Linux users managing external monitor settings, particularly those working with color profiles. Developers can also use its C API to add monitor control to programs.
Pick ExtLume if…
ExtLume suits Windows 10 or 11 users who need brightness controls for external displays. It is most relevant when the monitor and its connection support DDC/CI or when software dimming can be safely isolated.