http-client

Promise based HTTP client for the browser and node.js

Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

Guzzle, an extensible PHP HTTP client

Hurl, run and test HTTP requests with plain text.

Asynchronous HTTP client/server framework for asyncio and Python

🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API

🌐 Human-friendly and powerful HTTP request library for Node.js

Scalar is an open-source API platform:　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　🌐 Modern Rest API Client　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　📖 Beautiful API References　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　✨ 1st-Class OpenAPI/Swagger Support

Simple HTTP, REST, and SSE client library for Go

An easy and powerful Rust HTTP Client

Cross-platform internet upload/download manager for HTTP(S), FTP(S), SSH, magnet-link, BitTorrent, m3u8, ed2k, and online videos. WebDAV client, FTP client, SSH client.

The HTTP client for Vue.js

Feign makes writing java http clients easier

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie

A light-weight module that brings the Fetch API to Node.js

The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬