diff --git a/README.md b/README.md
index 29a1bcc..f5cb15e 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,7 @@ If you are looking for tools to use with Overlays, try these:
 - [Speakeasy CLI](https://www.speakeasy.com/docs/speakeasy-cli/getting-started)
 - [overlays-js](https://github.com/lornajane/openapi-overlays-js)
 - [apigee-go-gen CLI](https://apigee.github.io/apigee-go-gen/transform/commands/oas-overlay/)
+- [openapi-format CLI/UI](https://github.com/thim81/openapi-format)
 
 (Is something missing from the list? Send us a pull request to add it!)