diff --git a/README.md b/README.md
index e18ff7da1..f92748102 100644
--- a/README.md
+++ b/README.md
@@ -35,6 +35,7 @@
 - [📋 Detailed Process](#-detailed-process)
 - [🔍 Troubleshooting](#-troubleshooting)
 - [💬 Support](#-support)
+- [🤝 Community Friends](#-community-friends)
 - [🙏 Acknowledgements](#-acknowledgements)
 - [📄 License](#-license)
 
@@ -783,6 +784,14 @@ rm gcm-linux_amd64.2.6.1.deb
 
 For support, please open a [GitHub issue](https://github.com/github/spec-kit/issues/new). We welcome bug reports, feature requests, and questions about using Spec-Driven Development.
 
+## 🤝 Community Friends
+
+Projects that extend, visualize, or build on Spec Kit:
+
+| Project | Description |
+|---------|-------------|
+| [cc-sdd](https://github.com/rhuss/cc-sdd) | Claude Code plugin that adds composable traits on top of Spec Kit: [Superpowers](https://github.com/obra/superpowers)-based quality gates, spec/code review, git worktree isolation, and parallel implementation via agent teams. |
+
 ## 🙏 Acknowledgements
 
 This project is heavily influenced by and based on the work and research of [John Lam](https://github.com/jflam).