TestMace is described as 'Powerful IDE to work with API. Harness the power of scenarios, autocompletion and syntax highlight for API development. Write tests, share code without leaving the comfortable development environment' and is a API Client in the development category. There are more than 50 alternatives to TestMace for a variety of platforms, including Mac, Windows, Linux, Web-based and Google Chrome apps. The best TestMace alternative is Postman, which is free. Other great apps like TestMace are Insomnia REST Client, Yaak, Hoppscotch and HTTP Toolkit.
RequesterX is a free desktop HTTP client for API testing and development. Organize requests into nested collections, use environment variables for easy context switching, generate code snippets in 13 languages, and keep everything stored locally — no account required.
RestCase is a security-focused API development platform that enables its users to rapidly create secure microservices, mock them in order to start testing, monitor APIs and collaborate on their development and testing.
FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).
Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.
APITree is a free cloud-based API tool to create, manage and share OpenAPI specifications. It converts your OpenApi v2 / v3 specification into a beautiful technical API documentation. Public API documentation is hosted for free.
EchoAPI is an all-in-one API development collaboration platform that offers essential features like API debugging, design, automated testing, stress testing, and documentation generation.
Wisdom rest-client is a tool supports automated testing REST API, producing exquisite report, and generating exquisite REST API documentation based on historical cases.
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