Initial commit of public repository open_pdks.
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..38d0f2e
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+*.swp
+*.vvp
+*.vcd
+*.raw
+__pycache__
+**/.DS_Store
+**/.Trashes/
+