SparkFun Pro Micro: Pro Micro v13
Made by SparkFun Electronics.
Source: https://github.com/sparkfun/Pro_Micro, commit df836f3bf2955c4f1199a852f618d2ac80866d47
License: CC-BY-SA-4.0
Credit: SparkFun Pro Micro by SparkFun Electronics, CC BY-SA 4.0. Source: https://github.com/sparkfun/Pro_Micro

Design file: SparkFun_Pro_Micro.brd (Eagle, Eagle XML 7.3.0). The makers' own file, unmodified.
Schematic: ProMicro16MHzv2.pdf.
License texts in this folder: LICENSE.md.

This design file is licensed by its makers under the license named above, separately from Boardr. You may copy, share and adapt it under that license.