diff --git a/readme.md b/readme.md
index 36deccf..b13e562 100644
--- a/readme.md
+++ b/readme.md
@@ -484,6 +484,7 @@
 - [Ripple](https://github.com/vhpoet/awesome-ripple) - Open source distributed settlement network.
 - [Non-Financial Blockchain](https://github.com/machinomy/awesome-non-financial-blockchain) - Non-financial blockchain applications.
 - [Mastodon](https://github.com/tleb/awesome-mastodon) - Open source decentralized microblogging network.
+- [Hashgraph](https://github.com/hashgraph/awesome-hashgraph) - Hashgraph official resources and reference projects.
 
 ## Miscellaneous