GIMP - GIMP is a multiplatform photo manipulation tool.
Adobe Photoshop - Adobe Photoshop is a webtop application for editing images and photos online.
Affinity Photo - Affinity is the imaging and design suite for creative professionals exclusively for Mac.
Darktable - darktable is an open source photography workflow application and raw developer.
Photoscape - high quality photo editing software, that enables you to fix and enhance photos.
PhotoPad - Download PhotoPad photo editing software for Windows/Mac to easily edit digital photos. Resize, crop, touch up or add any number of effects to any image.