Hoppscotch is described as 'open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development' and is a HTTP Client in the Development category. There are more than 50 alternatives to Hoppscotch for a variety of platforms, including Mac, Windows, Linux, Online / Web-based and SaaS. Most alternatives are HTTP and API Clients. The best alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like Hoppscotch are Postman (Freemium), Paw (Paid), soapUI (Free, Open Source) and Advanced REST Client (ARC) (Free, Open Source).
Postman is a tool that facilitates the development and use of APIs. Postman provides all the functionality needed to create or simulate API specifications and use the Postman Collection Runner to create tests.
Easily craft your HTTP requests, try them, archive them. Setup HTTP Headers, URL parameters, form-encoded POST key-values or text. Get easy-to-read responses with well formatted headers and body. Sync your projects with your team through Paw for Teams.
Powerful, modern HTTP / REST client for Sublime Text. Requester has an expansive feature set, modern UX, powerful, elegant syntax and first class support for API testing and test automation. It runs on macOS, Windows and Linux. Some features:
Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.