FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).




gRPC is described as 'Modern open source high performance Remote Procedure Call (RPC) framework that can run in any environment. It can efficiently connect services in and across data centers with pluggable support for load balancing, tracing, health checking and authentication' and is an app. There are more than 50 alternatives to gRPC for a variety of platforms, including Mac, Windows, Linux, Web-based and Google Chrome apps. The best gRPC alternative is Postman, which is free. Other great apps like gRPC are Insomnia REST Client, Yaak, Hoppscotch and HTTP Toolkit.
FRequest is a fast, lightweight and opensource Windows / macOS / Linux desktop program to make HTTP(s) requests (e.g. call REST apis).






SyncTree strives to be a "Super Connecting Platform" that can easily connect any services you want.


Loadmill helps developers easily create the tests required for continuous delivery by analyzing user behavior. Loadmill automates backend regression testing by replaying real user behavior. Through the use of smart recordings, the platform can create and replay thousands of...



Gotcha HTTP Client is a lightweight http client that allows you to make requests and inspect responses.







Conektto's API lifecycle fabric is the world's first SAAS based visual designer for API that generates spec, mocks, visualization, code, test and test data automatically.




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.

Resonance is a local-first, zero-account API client application designed to provide an excellent user experience for testing and interacting with APIs. Built with Tauri, it offers a modern and intuitive interface for developers.

APITree is a free cloud-based API tool to create, manage and share OpenAPI specifications. It converts your OpenApi v2 / v3 specification into a beautiful technical API documentation. Public API documentation is hosted for free.