Little Card Editor - creates & tweets cards a picture w text overlay

Dark Room - A quick, powerful photo editor that gives you control

Placid - Use Placid to auto-generate images, videos & PDFs from reusable templates

Phonto - Text on Photos

Manual Camera for iPhone - Custom exposure for your iPhone camera

Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.