There are many different kinds of file formats out there, most of them associated to certain programs or developers. Take for example Adobe’s PDF or PSD (Photoshop) files; all the different document files by Microsoft, Apple, and the open source equivalents; or eBook files that are solely linked to the Amazon Kindle. Many of these files and especially their skeleton or insides are protected or even secret. This makes it difficult for other (open source) programs to open, process, or create them.… Read the rest