Which one is more popular: KiCad or EAGLE? Originally, I thought this could be answered with a few simple searches on Google or Github. However, as with most interesting questions, getting the answer was a bit more complicated. I ended up writing a script that counted all the repositories on Github that contained schematic files for KiCad or EAGLE, and this is what I found:
This graph only tracks the popularity of KiCad and EAGLE usage in public repositories on Github, so usage for private repositories is definitely missing.
List of the top 25 repositories by Github star count containing EAGLE schematic files.
List of the top 25 trending repositories by Github star count containing EAGLE schematic files.
List of the EAGLE design files in 32teeth/Eagle-Libraries-by-32teeth.
List of the EAGLE design files in aanon4/BlueBasic.
List of the EAGLE design files in aberke/city-science-bike-swarm.
List of the EAGLE design files in adafruit/Adafruit-FeatherWing-Proto-Doubler-Tripler-and-Quad.
List of the EAGLE design files in adafruit/Adafruit-Flora-Mainboard.
List of the EAGLE design files in adafruit/Adafruit-MAX4466-Electret-Mic-Amplifier-PCBs.
List of the EAGLE design files in adafruit/Adafruit-METRO-328-PCB.