diff --git a/README.md b/README.md
index 2621e0f..62e797a 100644
--- a/README.md
+++ b/README.md
@@ -39,6 +39,8 @@
 - [o101](https://github.com/ngn13/o101): Learn about buffer overflows (🇹🇷)
 - [darknets](https://github.com/ngn13/darknets): A list of different darknet systems (🇹🇷)
 
+### Other
+- [sdx](https://github.com/ngn13/sdx): a simple x86_64 UNIX like hobby OS
 
 ---