The Inkplate 6 is a new product directed at those who like to make custom electronics from (nearly) scratch. It is a display that offers all the advantages of e-paper, as well as support for the hardware and software to customize it (its housing included) in a wide variety of ways. It also has a USB interface to power it, making it more versatile than many similar options.
https://www.notebookcheck.net/The-Inkplate-6-a-new-platform-for-fans-of-Arduino-programming-e-paper-and-custom-design.451197.0.html