Originally called simply Paint Shop, the first version, 1.0, was a basic picture converter between BMP, GIF and PCX formats, conceived by Robert Voit and developed by Joel DeRider. History Paint Shop Pro 1.0 (pictured here running on Windows XP), was released in 1992 for Windows 3.1. PSP comes with an interface for automating tasks with scripts written in Python. The particular bundled programs have varied with each numbered version and have not been sold by Corel as separate products. The X-numbered editions have been sold in two versions: PaintShop Pro, which is the basic editing program, and PaintShop Pro Ultimate, which bundles in other standalone programs, additional artistic tools and/or plugins. PSP functionality can be extended by Photoshop-compatible plugins. In October 2004, Corel purchased Jasc Software and the distribution rights to PaintShop Pro. It was originally published by Jasc Software. PaintShop Pro ( PSP) is a raster and vector graphics editor for Microsoft Windows. Raster graphics editor, vector graphics editor