diff --git a/README.md b/README.md
index fc9664a..bce9938 100644
--- a/README.md
+++ b/README.md
@@ -50,6 +50,12 @@ released under the GPLv2 license, source code available here:
 
 * https://github.com/vygr/Python-PCB
 
+Other bits from other repos for reading `.dsn` are from here:
+
+* https://github.com/vygr/C-PCB
+
+* https://github.com/vygr/Go-PCB
+
 
 # Disclaimer
 Alpha software, not for use.