Graphical HTTP Client is described as 'HTTP Client is a Mac OS X Leopard developer tool for debugging HTTP services by graphically creating and inspecting complex HTTP messages' and is a HTTP Client in the development category. There are more than 25 alternatives to Graphical HTTP Client for a variety of platforms, including Mac, Windows, Linux, Web-based and Google Chrome apps. The best Graphical HTTP Client alternative is Postman, which is free. Other great apps like Graphical HTTP Client are Insomnia REST Client, Fiddler, Google Chrome Developer Tools and Hoppscotch.
Thunder Client is a hand-crafted lightweight Http Client extension for Visual Studio Code. No separate download needed, Just install the extension from VS Code marketplace.
HTTP Debugger captures and decrypts HTTP/HTTPS from any Windows app without proxy setup — HTTP/2, WebSocket, SSE, gRPC and localhost included. Edit and replay requests, modify traffic on the fly, and let an AI assistant read the session over the built-in MCP server.
HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers.
Germany
EU
Kreya is a GUI client for gRPC, REST and WebSocket APIs with innovative features for environments, authorizations and more.
Switzerland
This is a tool to manually explore and test HTTP REST webservices. Runs queries from a plain-text query sheet, displays results as a pretty-printed XML, JSON and even images.
Used httpyac CLI tool underneath, which helps you execute _.http and _.rest files. This can be used to quickly execute a single *.http file, but also to execute all files in a folder. httpyac supports HTTP, Rest, GraphQL, WebSocket und gRPC...
All the user-friendliness of our Terminal version, now wrapped up in a sleek graphical interface.
United States
RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.
India
HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO version that cost money and has additional features.
United Kingdom
Lama2 defines the human-friendly l2 syntax and CLI for describing and executing APIs. Store your APIs in plain-text files. Collaborate with team using version control (say, git). Run Lama2 directly from VSCode extension. Think of Lama2 as Markdown for APIs.
Httpiness is aimed to be a simple, straightforward HTTP client which minimizes time to configure, send, reconfigure and resend requests in order to maximize development efficiency.
