GNU XaoS
May 1, 2012 - v3.5.0.2multiple
Geeqie
May 19, 2011 - v1.0.0.1Graphics/Viewer
The GIMP
Jan 1, 2015 - v2.8.14.02Graphics/RasterGraphics
Inkscape
Dec 17, 2016 - v0.91.0.01Graphics/VectorGraphics
ImageJ2x
Jul 30, 2013 - v2.1.47.1Graphics
YACReader
Aug 10, 2018 - v9.5.0.0Graphics/Viewer
VChar64
Jul 17, 2017 - v0.2.4.2Graphics/2DGraphics
Viewnior2018
Feb 27, 2018 - v1.0.0.01Graphics/Viewer
Converseen
Apr 4, 2011 - v0.4.0.1Graphics
DIV 3
Mar 19, 2016 - v3.0.12.2multiple