[unhammer]

I've been using the ColorHug 1, and found it worked quite nicely. The included Fedora CD (yes, this was some time ago) let me calibrate just fine. Once I wanted to do it straight from XCFE, I ran into a few challenges, but it wasn't unsurmountable: https://askubuntu.com/questions/427821/can-i-run-gcm-calibra... Basically, you have to run xiccd in the background, since XFCE doesn't have built-in colord support to set the X11 atom[1]. I've never used multiple monitors though, I don't know if that's possible with xiccd+xfce instead of Gnome.

[1] https://bugzilla.xfce.org/show_bug.cgi?id=8559