PackMojo - Create custom packaging in 3D and order in low volume
PicsArt - Explore 100,000,000+ awesome images and photos on the web
Pakible - Custom packaging, made simple. 10 boxes for $10
Meitu - Meitu is a standalone photo editing application that offers almost all those features and photo editing tools that lets the smartphone users personalize their photos like a professional makeup artists and fashion designers.
Die Cut Templates - Generate custom professional packaging templates in seconds.
AirBrush - An all in one lifestyle and selfie editor.