Affinity Photo

An application was installed on Petronella Osgood's computer by 10 May 2020. Its logo was an light-purple square with its upper-left corner coloured a darker purple, and which had 6 lines around the square, creating a hexagon in its centre. (WC: The Zygon Isolation)

Behind the scenes
While the application was not named in WC: The Zygon Isolation, the application was named "Affinity Photo" in the real world, and was a raster graphics editor created in a group of products along with Affinity Publisher and Affinity Designer.