A HTTP inspection tool with support for HTTP/2 and HTTP/3. Alternative to Postman.




Yaak is described as 'The API client for modern developers. Call REST, GraphQL, and gRPC APIs from a simple and intuitive app' and is a API Client in the development category. There are more than 50 alternatives to Yaak for a variety of platforms, including Mac, Windows, Linux, Web-based and Google Chrome apps. The best Yaak alternative is Bruno, which is both free and Open Source. Other great apps like Yaak are Postman, Insomnia REST Client, Hoppscotch and ApiArk.
A HTTP inspection tool with support for HTTP/2 and HTTP/3. Alternative to Postman.





A cross-platform HTTP client desktop application for testing HTTP and REST APIs, WebSocket, GraphQL (including subscriptions) and gRPC endpoints.



API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android.




This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.

Intercept, modify, and mock HTTP requests with ease. A powerful developer tool to streamline your API development and testing workflow.

Firecamp's GraphQL playground is all in one GraphQL debugging tool which let you debug, collaborate and document your GraphQL APIs within a team for all platform.



All the user-friendliness of our Terminal version, now wrapped up in a sleek graphical interface.



Used httpyac CLI tool underneath, which helps you execute _.http and _.rest files. This can be used to quickly execute a single *.http file, but also to execute all files in a folder. httpyac supports HTTP, Rest, GraphQL, WebSocket und gRPC...

RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.






HTTP client plugin for Sublime Text with an expansive feature set, modern UX, elegant syntax and first class support for testing.



