Little Card Editor - creates & tweets cards a picture w text overlay
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.
Phonto - Text on Photos
PicMonkey - PicMonkey is a feature-rich online photo editor that works right in your browser; no downloads...
The Roll by EyeEm - Organize your iOS Photos automatically
Piktochart - Piktochart for Business Storytelling