diff --git a/README.md b/README.md
index 3ed8be1..e57a4d7 100644
--- a/README.md
+++ b/README.md
@@ -140,6 +140,7 @@ For a list of free hacking books available for download, go [here](https://githu
  * [Wifi Jammer](https://n0where.net/wifijammer/) - Free program to jam all wifi clients in range
  * [Firesheep](https://codebutler.github.io/firesheep/) - Free program for HTTP session hijacking attacks.
  * [Scapy](https://github.com/secdev/scapy) - A Python tool and library for low level packet creation and maniputalion
+ * [Amass](https://github.com/caffix/amass) - In-depth subdomain enumeration tool that performs scraping, recursive brute forcing, crawling of web archives, name altering and reverse DNS sweeping
 
 
 # Forensic