Exciting news from Adafruit:
Yesterday, April 20th, Adafruit became the #1 most OSHWA certified open-source hardware company. In the last 27 days, 387 boards have been submitted by Adafruit for review by the Open Source Hardware Association (OSHWA). Of those 387 boards, 54 have already been approved. There are around 6 boards left to be submitted, which should bring the number of approved Adafruit boards to around 393.
View the the full list of the certified boards: