AutoCollage is a free desktop application that allows you to quickly generate many different collages with a single mouse click. All you have to do is select the images you want to combine and click "Generate". Now you have 20+ collages of various shapes and sizes to choose from.
"Free" as in "free beer" and "free speech". AutoCollage is free to use and open source. Licensed under GPLv3.
Use it from the GUI or terminal.
Quickly create many different collage compositions with one click.
Available for Windows and Linux desktops.