diff --git a/README.md b/README.md
index 3c6b5db..e05fb96 100644
--- a/README.md
+++ b/README.md
@@ -25,6 +25,9 @@ A collection of awesome penetration testing resources, tools, confs, books, maga
 * [I2P](https://geti2p.net) - The Invisible Internet Project
 
 #### Networks tools
+* [nmap](http://nmap.org/) - Free Security Scanner For Network Exploration & Security Audits.
+* [tcpdump/libpcap](http://www.tcpdump.org/) - A common packet analyzer that runs under the command line.
+* [Wireshark](http://www.wireshark.org/) - A network protocol analyzer for Unix and Windows.
 * [Network Tools](http://network-tools.com/) - Different network tools: pink, lookup, whois, etc.
 
 #### Hex editors