Display-switch: Turn a $30 USB switch into a full-featured multi-monitor KVM

• display-switch

  123 2,775 6.5 Rust

  Turn a $30 USB switch into a full-featured multi-monitor KVM switch

Yes, or send a fake mouse move. It does this already when running on Windows or OSX; there's an open issue for adding the Linux host support: https://github.com/haimgel/display-switch/issues/27

I reckon it's probably 25 or 30 lines or Rust if you make it use the uinput crate to create a fake input device and send a mouse-move event that way.

• barrier

  616 26,119 0.0 C

  Open-source KVM software

  

from a purely software perspective and sort of the inverse of these, everyone should be aware of barrier, the fork/continuation of synergy

https://github.com/debauchee/barrier

the general concept is you could have 2, 3, 4 or more individual desktop PCs at one desk, each connected to their own displays, and one keyboard and one mouse. The keyboard and mouse are on the master, you can roll the mouse off the edge of one screen and onto another.

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• SimpleKVM

  2 774 6.0 C#

  Use multiple computers using the one monitor, mouse and keyboard

• input-leap

  34 3,127 9.2 C++

  Open-source KVM software

  

• obs-studio

  2,361 55,593 9.8 C

  OBS Studio - Free and open source software for live streaming and screen recording

  

An alternative approach that I've taken is to have the HDMIs from my work desktop plugged into a capture card on my main Windows desktop. I then use the preview from OBS to see the display and also hear the audio. Still need a separate keyboard + mouse, but I like being able to move/minimize my work OBS window off to the side when I'm not actively working.

I also use this setup with gaming consoles so that I don't have to dedicate an entire monitor.

https://github.com/obsproject/obs-studio

• Lunar

  192 4,323 8.9 Swift

  Intelligent adaptive brightness for your external monitors

Lunar (https://lunar.fyi) supports up to 3 hotkeys to switch input using DDC.

Also the functionality is completely free, the Pro license isn’t needed if you only switch inputs and occasionally adjust brightness or volume.

This might be a more comfortable solution if your monitor allows input switching through DDC.

https://static.lunar.fyi/img/input-key/1920_input-key.png

• ddcctl

  22 1,807 0.0 C

  DDC monitor controls (brightness) for Mac OSX command line

I have been using ddcctl to control my monitor (doesn't work on Apple Silicon)

https://github.com/kfix/ddcctl

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• MonitorControl

  191 26,106 6.4 Swift

  🖥 Control your display's brightness & volume on your Mac as if it was a native Apple Display. Use Apple Keyboard keys or custom shortcuts. Shows the native macOS OSDs.

  

• winddcutil

  6 142 3.5 Python

  Windows implementation of the ddcutil Linux program for querying and changing monitor settings, such as brightness and color levels.

Thanks. I also discovered winddcutil, for those of us on Windows with Dell monitors too old to be supported by Dell Display Manager.

https://github.com/scottaxcell/winddcutil

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