Requestly is described as 'Lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc' and is a http(s) debugger in the development category. There are more than 25 alternatives to Requestly for a variety of platforms, including Mac, Windows, Linux, Google Chrome and Web-based apps. The best Requestly alternative is Postman, which is free. Other great apps like Requestly are Yaak, Fiddler, mitmproxy and Hoppscotch.
gRPC is a 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.
Open-source native macOS HTTP debugging proxy — intercept HTTPS, inspect APIs, mock responses, debug WebSocket & GraphQL. Community-driven. For developers, by developers.
HarborClient is a free, open-source desktop API client for macOS, Windows, and Linux. It gives you a familiar Postman-style workspace—collections, environments, request scripts, and a tabbed editor—while keeping your work on your machine or on storage you control.
With Jam, in one click, you can: take a screenshot, record a video, or capture an instant replay, and Jam will instantly generate a link to share with your team.
Native desktop app for Windows offers high-performance REST and HTTP API testing, low memory and CPU use, custom methods, portable version, proxy support, multiple environments, code generation, multilingual interface, and import/export in light or dark themes.
HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers.
Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.
The goal of this project is to adds information about the HTTP headers in three ways:
Built from the ground up for mobile developers. Monitor network requests, logs, and events in real-time. Debug faster, ship with confidence.
ReqRes is an open-source, high-performance, modern native web debugging proxy for macOS. It lets you capture, inspect, modify, and intercept HTTP(S) traffic in real time.
Intercept, modify, and mock HTTP requests with ease. A powerful developer tool to streamline your API development and testing workflow.
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