Adafruit has created dozens and dozens of Feathers and Wings, but there's a chance we haven't made the exact Wing you want. And that's totally fine! We've specifically designed the Feather system so that you can create your own custom circuitry, and move it from Feather to Feather.
Here are just a few examples of Feathers and Wings created by the community.
If you'd like to make your own Feather or Wing, check out our GitHub account and search for Feather and PCB to get open source designs that you can use to base your own design on
Maxim developed their latest IoT platform dev board to be Feather compatible. We haven't tried it out but given the pinout, it should be compatible with almost all Wings