VoIP SIP and SKINNY quality analyzer and packet / audio recording tool
terminal based packet sniffer
Ethercat analyzer. Pcapng (by wireshark) to cvs files converter.
A Network Packet Sniffing tool developed in Python 3
A network tool to control the bandwidth over your local network
Network sniffer which a similar to WireShark with sending own packets
Xplico is a Network Forensic Analysis Tool (NFAT)
gives an overview about the hosts connected with your computer
A cross platform http sniffer with a web UI
Hexadecimal and raw packet injector and sniffer.
A java packet sniffer and forger that wraps pcap libs.
Bluetooth Low Energy (BLE) packet sniffer and transmitter
Zero copy MMAP linux network drivers
The Network Forensics Tool
A simple packet sniffer for local networks
...has moved to packetpeeper.org
Fully featured network, wireless and web app pentesting suite.
WPF Winsock Sniffer