F-Stop Media Gallery - Image and video organizer.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
A Photo Manager - Manage local photos on Android: gallery, geotag with photomap, tags, find, sort, view, copy...
GIMP - GIMP is a multiplatform photo manipulation tool.
LeafPic - LeafPic is a fluid, material-designed alternative gallery.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.