ReqLab

Open-source offline desktop API client, an alternative to Postman

Desktopfreeglobal

ReqLab is a free, open-source desktop API client built with Kotlin Multiplatform, positioned as an offline alternative to Postman and Insomnia. It supports HTTP requests, an MCP client for testing MCP tools, scripting, variables, collections, and Postman import, with no account and no telemetry.

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