DDCcontrol
DDCcontrol: A free, open-source Linux tool for GUI and command-line monitor control. Ranked #15 of 24 in Monitor Control Software by our editors (7.2/10); pricing: Free plan; best for linux users wanting GUI and profile storage.
At a glance
- Editor score7.2 / 10
- PricingFree plan
- Best forLinux users wanting GUI and profile storage
- Free planYes
- Paid fromFree
- Supported platformsLinux
- Facts checked20 Sep 2026
Where it wins
- Free and open source with GTK and command-line interfaces
- Adjusts brightness, contrast, and color levels through DDC/CI
- Supports monitor profiles and non-volatile setting storage
Where it doesn't
- Supports Linux only
- USB-connected DDC/CI displays are not currently supported
- Requires compatible monitors and Linux I2C device access
Our verdict on DDCcontrol
DDCcontrol is free, open-source software for configuring compatible monitors through DDC/CI on Linux. It is aimed at Linux users who want software-based control over monitor settings, either through a GTK graphical interface or a command-line utility for terminal workflows and scripts. Supported controls include brightness, contrast, and color levels, while monitor detection and I2C bus probing help identify compatible displays and devices.
Its strongest fit is for users who want both a desktop interface and scriptable configuration in one Linux-focused tool. DDCcontrol can read and write supported monitor controls through Linux I2C devices, and its monitor profile database provides a way to organize display settings. The software can also save supported settings to a monitor’s non-volatile memory, which is useful when persistent hardware-level configuration matters. These features make it more suitable for repeatable monitor management than a tool limited to one-time graphical adjustments.
The main boundaries are platform and display compatibility. DDCcontrol supports Linux, and USB-connected DDC/CI displays are not currently supported. Its capabilities also depend on the monitor exposing the relevant controls through DDC/CI and Linux I2C access. Choose DDCcontrol if you need free, open-source monitor configuration with GTK, command-line control, detection, profiles, and persistent supported settings. An alternative is more appropriate for users who need USB-connected DDC/CI display support or a platform other than Linux.
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DDCcontrol pricing
DDCcontrol fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Supported platforms | Linux |
| DDC/CI control | Yes |
| Input switching | Not verified |
| Monitor profiles | Yes |
| Settings scheduling | Not verified |
| CLI or API access | Yes |
| Auto brightness | Not verified |
| Deployment | Desktop |
| Platforms | Linux |
| Support | Docs |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan |
| Website | ddccontrol.github.io |
| Facts checked | 20 Sep 2026 |
Alternatives to DDCcontrol
- MonitorControl ProA free, open-source Windows tool for advanced monitor control, profiles, and automation.9.4
- Twinkle TrayA capable free Windows utility for multi-monitor control, profiles, scheduling, and scripting.9.2
- LunarA capable Mac monitor controller with automation, sensors, and a low one-time Pro price.8.9
See all DDCcontrol alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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