Its not exactly call software, so its be a second app, but I think rustdesk supports a whiteboard thats transparent - so basically annotation.
this post was submitted on 27 Mar 2026
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Rustdesk is a remote control application, right?
Would it be possible for the other person to keep controlling the computer while i'm annotating, or would it require me to take control of their computer?
The other person can use it still, it doesnt take away local control
Ok, thats good. But I suppose I can't point at something with the cursor while he is using it right?
One person I help is using eye-tracking software, so I guess he would have to turn it off every time I want to show something
Haven't used that feature to be able to say how that interaction works, or used it with a tobii or anything unfortunately.
The only other thing I can think of to check out would be Jitsi, but I don't think it does annotation. Iirc, they were adding in something for a laser pointer, but I don't know where thats at in development or that it would be enough for you use.
Rustsesk will let you remote control, its basically a clone of teamviewer
Forgot to mention: I'm mainly using Linux and the people I help are typically on mostly windows, but also macos and linux
Apparently slacks annotation feature never really worked on linux in the first place?