diff --git a/ECOSYSTEM.md b/ECOSYSTEM.md
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+++ b/ECOSYSTEM.md
@@ -6,6 +6,7 @@ If your project isn't listed here and you would like it to be, please feel free
 
 - [axum-server](https://crates.io/crates/axum-server): axum-server is a hyper server implementation designed to be used with axum framework.
 - [axum-typed-websockets](https://crates.io/crates/axum-typed-websockets): `axum::extract::ws` with type safe messages.
+- [axum-flash](https://crates.io/crates/axum-flash): One-time notifications (aka flash messages) for axum.
 
 ## Project showcase