Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Mac
- Windows
- Linux




Apps similar to soapUI include Bruno, which is open source with a free version. Other options are Postman, Insomnia REST Client, Yaak and Hoppscotch. API Clients like soapUI are a crowded field, with more than 50 alternatives for Windows, Mac, Linux, the web and self-hosting.




API Test Base is a free, offline-first tool for testing APIs and their side effects — the records an API writes to a database, the messages it publishes to a queue, the downstream services it calls. Test cases are created with a no-code / low-code UI, and the same tests can be...






The API Astrolab enables today’s API-first companies to show their API products in a visual way so that anyone can understand how they work.



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



Humlix shows you an easy way of generating tests for your web APIs. All you need to do is create a test request using the test request builder within Humlix and give an example of how your endpoints look and what type of data they want.


Cartero is a graphical HTTP client that can be used as a developer tool to test web APIs and perform all kind of HTTP requests to web servers. It is compatible with any REST, SOAP or XML-RPC API and it supports multiple request methods as well as attaching body payloads to...





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.




HarborClient is a free, open-source desktop API client for macOS, Windows, and Linux. It gives you a familiar Postman-style workspace—collections, environments, request scripts, and a tabbed editor—while keeping your work on your machine or on storage you control.

Api Quest is a desktop application designed for executing HTTP requests, storing them on the local file system, and providing portability. Whether you're a developer, QA or system engineer, this tool offers solution for handling HTTP requests effectively.
