diff --git a/README.md b/README.md
index a59885983f410b48d3b31a3af874ba8763281a2e..5a6320b7e9bf4d71b24e7170a37b4dee9e7616c2 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,12 @@ https://gitlab.cba.mit.edu/pub/coronavirus/tracking/-/issues
 
 https://gitlab.cba.mit.edu/pub/coronavirus
 
+### Haystack
+
+- https://gitlab.cba.mit.edu/zfredin/quickshield
+- https://gitlab.cba.mit.edu/alfonso/fabshield
+- https://gitlab.cba.mit.edu/alfonso/covid-isolation-box
+
 ### 10:30A EDT Tue May 18
 
 - video