soapUI Alternatives

Apache JMeter is an open source software Java-based load testing tool for analyzing and measuring the performance of a variety of services and applications. Apache JMeter uses Swing graphical API which means that it is not implemented by platform-specific coding. Developer use Apache JMeter to test performance both on static and dynamic resources, and simulate a heavy load on a server, group of servers, network or objects to test its strength or to analyze overall performance of applications.

With Insomnia you can design, debug and deploy APIs. Insomnia is free API design platform and REST Client developed for macOS, Linux and Window. The application makes it easy to create and group requests, specify environment variables, authentication and generate code snippets. You can also get all the details on responses. View the whole request timeline, status codes, body, headers, cookies and much more. The software also makes it easy to orginize your projects with workspaces, folders, environments, drag-and-drop requests, and easily import and export your data. Insomnia integrates with API gateways such as the Kong API Gateway, and Kong for Kubernetes. While Insomnia comes with a free-forever license, the software provides premium monthly subscriptions for E2EE data sync and advanced collaboration features.

Postman simplifies each step of building an API and streamline collaboration so you can create better APIs. The software is a free API client that can send REST, SOAP, and GraphQL that allows you to design and mock APIs. Postman also provides premium features for subscribers that allows for better collaboration among teams where workspace can be setup to work closer together on your APIs and web services.

With RestCase you can supercharges the API development process resulting in improved team collaboration, reduced development time, better testing and increased overall productivity. The cloud-based platform allows teams to collaboratively create REST and ASYNC APIs using an intuitive browser-based visual designer, automatically generate documentation, tests and mocks. The platform further enables rapid iteration and testing by creating a mock of the API that any team member can make calls against immediately without waiting for the actual development and deployment of the API, eliminating impediments from various development teams.

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