diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -93,6 +93,7 @@ Repository | Description
 [ThreatHunter-Playbook](https://github.com/Cyb3rWard0g/ThreatHunter-Playbook) | A Threat hunter's playbook to aid the development of techniques and hypothesis for hunting campaigns
 [Web Security](https://github.com/qazbnm456/awesome-web-security) | Curated list of Web Security materials and resources
 [Vulhub](https://github.com/vulhub/vulhub) | Pre-Built Vulnerable Environments Based on Docker-Compose
+[Nand2Tetris](https://www.nand2tetris.org/course) | For complete understaing of how computers work from logic gates to OS.
 
 ## Need more ?