PixBuilder - Free Photo Editing Software for PC
Clipdrop - Create stunning visuals in seconds
PhotoDemon - Lightweight portable BSD licensed photo editor for Windows focused on performance and usability.
PictureThat - Fill your walls with art and photos in AR 🎨
Fotografix - In addition to being totally portable, Fotografix has a ridiculously small footprint.
Diorama - Create Jurassic Park-like films anywhere using your phone.