RestSharp vs Newman: What are the differences?

RestSharp: Simple REST and HTTP API Client for .NET. It is probably the most popular HTTP client library for .NET. Featuring automatic serialization and deserialization, request and response type detection, variety of authentications and other useful features; Newman: CLI collection runner for Postman. Newman is a command-line collection runner for Postman. It allows you to effortlessly run and test a Postman collection directly from the command-line. It is built with extensibility in mind so that you can easily integrate it with your continuous integration servers and build systems.

RestSharp and Newman belong to "API Tools" category of the tech stack.

Newman is an open source tool with 4.68K GitHub stars and 733 GitHub forks. Here's a link to Newman's open source repository on GitHub.