diff --git a/README.md b/README.md
index 2ac4e02..de31869 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,9 @@
## Overview
The IGMP Packet Generator (`igmpgen`) is a specialized tool designed for
-generating various types of Internet Group Management Protocol (IGMP) packets.
+generating various types of [Internet Group Management Protocol
+(IGMP)](https://en.wikipedia.org/wiki/Internet_Group_Management_Protocol)
+packets.
This tool is particularly useful for network administrators, developers, and
researchers involved in testing and analyzing multicast network protocols.
@@ -114,6 +116,31 @@ This project is licensed under the LGPL 3.0-or-later.
## Related projects
-* [IGMPproxy (Official Version)](https://github.com/pali/igmpproxy): The official version of the IGMPproxy tool.
-* [IGMPproxy with IGMPv3 & FreeBSD support](https://github.com/ViToni/igmpproxy/): A version of IGMPproxy with added support for IGMPv3 and FreeBSD.
+* [IGMPproxy (Official Version)](https://github.com/pali/igmpproxy): The
+ official version of the IGMPproxy tool.
+* [IGMPproxy with IGMPv3 & FreeBSD
+ support](https://github.com/ViToni/igmpproxy/): A version of IGMPproxy with
+ added support for IGMPv3 and FreeBSD.
+* [pierf packet generator and analyzer](https://pierf.sourceforge.net/): A
+ packet injection tool.
+* [Send IGMP](https://sendigmp.com/#examples): A simple command-line tool to
+ send IGMP packets
+* [Ostatino](https://github.com/pstavirs/ostinato): Traffic generator for
+ network engineers.
+* [individuwill/mcast](https://github.com/individuwill/mcast)
+* [troglobit/mcjoin](https://github.com/troglobit/mcjoin)
+* [troglobit/mrdisc](https://github.com/troglobit/mrdisc)
+* [troglobit/mrouted](https://github.com/troglobit/mrouted)
+* [scapy](https://scapy.net/)
+ *
+ *
+
+*
+
+## References
+
+* https://www.ietf.org/proceedings/50/I-D/idmr-snoop-00.txt
+* https://www.rfc-editor.org/rfc/rfc4541
+* [Wikipedia: IGMP Snooping](https://en.wikipedia.org/wiki/IGMP_snooping)
+* [Wikipedia: Multicast Listener Discovery](https://en.wikipedia.org/wiki/Multicast_Listener_Discovery)