We've had OpenPDK for some time. Check out the ISCA2020 presentation on OpenROAD[0], they mention that they use OpenPDK but the last piece of the puzzle is an o

We've had OpenPDK for some time. Check out the ISCA2020 presentation on OpenROAD[0], they mention that they use OpenPDK but the last piece of the puzzle is an open source standard cell library. [0] https://youtu.be/1rfBK5KKzR0 https://youtu.be/1rfBK5KKzR0