Olympus Master
Adobe Photoshop
PaintShop Pro
CorelDRAW
Canvas
ACDSee
Picasa
ORF Suite
Adobe Photoshop Lightroom
Zoner Photo Studio
FastStone Image Viewer
FastPictureViewer Professional
ACDSee Photo Manager
XnView
Adobe DNG Converter
Adobe Photoshop Camera Raw

darktable

Olympus Master
Adobe Photoshop
Picasa
ColorStrokes