RESTClient Alternatives for Windows
There are many alternatives to RESTClient for Windows if you are looking to replace it. The most popular Windows alternative is 
Wget, which is both free and Open Source. If that doesn't suit you, our users have ranked 43 alternatives to RESTClient and many of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to RESTClient are 
Postman (Freemium), 
cURL (Free, Open Source), 
Insomnia REST Client (Freemium, Open Source) and 
soapUI (Free, Open Source).
- GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most widely-used Internet protocols.
- Postman is a collaborative platform for API development.
- Client-side URL library and command-line tool for transferring data using commonplace network protocols.
- A powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.
- Eviware, the maker of soapUI, Web Service Testing Leader
- API testing tool. Which allows web developers to create and test custom HTTP requests.
- HTTP Toolkit is a suite of open-source tools for debugging, testing and building with HTTP(S).
- HTTP client plugin for Sublime Text with an expansive feature set, modern UX, elegant syntax and first class support for testing.
- A REST client for almost any web service (Firefox and Chrome extension).
- Runscope helps you monitor, log and measure API usage to solve API problems fast. Automatically monitor APIs without any coding.