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.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Ettercap - Ettercap is a suite for man in the middle attacks on LAN.
Zapier - Connect the apps you use everyday to automate your work and be more productive. 1000+ apps and easy integrations - get started in minutes.
tcpdump - tcpdump is a common packet analyzer that runs under the command line.
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.