diff --git a/readme.md b/readme.md
index 3fdd9f8..bb7f582 100644
--- a/readme.md
+++ b/readme.md
@@ -475,6 +475,7 @@
 - [Bitcoin](https://github.com/igorbarinov/awesome-bitcoin) - Bitcoin services and tools for software developers.
 - [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.
 
 ## Miscellaneous