diff --git a/README.md b/README.md
index 22a7c8b..a993dde 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,15 @@
+> **This repository is no longer developed.**
+>
+> Its work continues in a single consolidated platform that serves what this product and its
+> companion product each did separately. That platform is not public, so there is no link to
+> follow from here.
+>
+> The code in this repository stays exactly as it is, and its Apache-2.0 licence is unchanged
+> and unaffected by this notice — anything you have built on it keeps working, and nothing here
+> is withdrawn.
+>
+> No further changes will be made here.
+
 # GrantPath
 
 A consultant-led tool that gets grantees money: auto-retrieved grant