RestCase
Description: RestCase is an open-source API testing tool for REST and SOAP services. It allows users to easily create automated API tests with assertions to validate responses.
Type: software
Pricing: Open Source
tcpdump
Description: tcpdump is a command-line network monitoring and data acquisition tool used to capture packet data flowing over a network. It can intercept and log traffic passing over a digital network or part of a network.
Type: software
Pricing: Free