Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
Zoom - Equip your team with tools designed to collaborate, connect, and engage with teammates and customers, no matter where you’re located, all in one platform.
Ettercap - Ettercap is a suite for man in the middle attacks on LAN.
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
tcpdump - tcpdump is a common packet analyzer that runs under the command line.
WhatsApp - WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.