Ultimate Paint (UPaint) is a bitmap graphics editor for the Windows platform modelled after Electronic Arts' Deluxe Paint. Most functionality of Deluxe Paint has been implemented while there are also some additions such as built-in filters / effects and support for Adobe plug-ins.
UPaint was originally created as an inhouse tool at Megalux, manufacturer of video boards and scoreboards. The current developer is J-T-L Development.
References
Ultimate Paint Wikipedia(Text) CC BY-SA