Alternatives to DeviceKit

Microsofts open-source end-to-end browser testing framework for Chromium, Firefox, and WebKit with one API.

Visual regression testing and review platform built by the Storybook team, with cloud-rendered snapshots and PR integration.

Open-source workshop for building UI components in isolation. Preview, document, and test them outside the app.

Open-source API client for REST, GraphQL, gRPC, and WebSockets. Postmans more polished, less corporate cousin.

API client and collaboration platform that started as a Chrome extension and now covers design, testing, and mocking.

Git-friendly, fully offline API client that stores collections as plain text files in your repository.