Getdata Protocol Analyzer is another sniffer made with libpcap that supports multiple protocols like TCP, UDP, ICMP, IGMP, etc.
You can download it from the following link: https://packetstormsecurity.com/files/download/31089/getdatang.tar.gz
Source: https://packetstormsecurity.com/files/31089/getdatang.tar.gz.html

