Aspen Alternatives

If you're looking for another Aspen alternative, ReAPI is worth a look. It's a full-featured suite of tools for designing, testing and documenting APIs. It includes a visual API designer, a no-code test case designer and automated API documentation to help you get your job done. AI and ChatGPT are built in to help you generate schema, examples and documentation, and to help you manage and maintain your APIs.

Another contender is Katalon. It's an end-to-end software quality management platform that covers a lot of testing bases, including web, mobile, API, desktop and packaged apps. Its AI-powered tools, like TrueTest and StudioAssist, speed up testing and free up more time for humans. Katalon also can be integrated with CI tools like Jenkins and Azure DevOps, and it's a good option for teams that want to improve their testing.

If you're more interested in API design and automation, Conektto has powerful tools for generative design, code and testing. Its API Design Studio, API Test Harness and Enterprise API SDLC tools span the entire API development life cycle. The community edition of Conektto is free forever, so it's a good option for teams that want to get started with API development without breaking the bank.

Last, ACCELQ is a no-code automation platform for API, web, mobile and desktop apps. It can be used for API test automation with SOAP and RESTful services, and it can integrate with tools like JSON, RAML, Swagger and Kafka. ACCELQ is designed to boost productivity for different roles, so it's a good option if you want to improve your team's ability to deliver high-quality software.