



Tigrister is described as 'A fast Desktop API client. Design OpenAPI specs visually. Linear and Visual Flow runner. API testing with assertions. Debug with timing breakdowns — with HTTP/GraphQL/WebSocket/SSE support' and is a API Client in the development category. There are more than 10 alternatives to Tigrister for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best Tigrister alternative is Bruno, which is both free and Open Source. Other great apps like Tigrister are Postman, Insomnia REST Client, Yaak and Hoppscotch.








Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.

Thunder Client is a hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace.






Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.




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.




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



Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.




API Test Base is a free tool for integration testing a variety of APIs. It is suitable for Integration, ESB and Microservices testing.


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.


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.