Hello
Tellie was kind enough to port Drawpile 1.0.6 to OS/2.
"Drawpile is a free software collaborative drawing program that allows multiple users to sketch on the same canvas simultaneously. Open Source Software."
Requires Qt5 - "yum install qt5-qtbase qt5-qtmultimedia qt5-qtbase-gui"
Please give it a try and let me know.
Regards