Photessera is a Java-based video and image manipulation software that can allows users to create video and image mosaics, constructed out of a separate group of user-selected images.
The software supports the following file types as input: MP4, MOV, PNG, JPG.
As of now the software is only verified as functional on Windows devices.
A video explanation of the functionality of the software can be found @ https://youtu.be/ftKO35jiCHQ