Scapy is a powerful Python-based interactive packet manipulation tool and library, designed for users with networking and cybersecurity needs. It allows users to craft, send, receive, and analyze network packets with ease. Scapy is widely used for network discovery, probing, testing, and building network attacks. Its flexibility lets users dissect incoming packets or customize outgoing ones, making it a valuable tool for network engineers and security researchers. Scapy also supports a wide range of network protocols and offers advanced features such as packet sniffing and network topology discovery.