Collagerator - Create amazing photo collages in few mouse clicks. Ready for download for Mac OS X and Windows.

Stet.io - Stet.io is a high-quality pixel management platform that allows editing the pictures with online commands or multiple options with real-time effects or filters.

Shape Collage - Shape Collage is a photo collage maker software program. Automatically create picture collages in a variety of shapes with just a few mouse clicks. Available for Windows, Mac OS X, and Linux.

Saint Paint Studio - Saint Paint - The Essential Image Editor

PhotoSpills - Easy to use PC collage software with unlimited design possibilities.

Sagelight - Sagelight is a comprehensive editing platform that allows adding multiple features to the images by improving, retouching, modifying the selective pics with high-quality work.