1.usebruno / bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Ranked by Attention Score: stars gained over the last 180 complete days
62 repositories by Attention Score · May 7, 2026 – Nov 2, 2026 (UTC)
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support
The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬
Promise based HTTP client for the browser and node.js
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.
Hurl, run and test HTTP requests with plain text.
Friendly and fast tool for sending HTTP requests
🌳 Tiny & elegant JavaScript HTTP client based on the Fetch API
An easy and powerful Rust HTTP Client
Asynchronous HTTP client/server framework for asyncio and Python
Simple HTTP, REST, and SSE client library for Go
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.
Production-ready C++ Asynchronous Framework with rich functionality
🌐 Human-friendly and powerful HTTP request library for Node.js
🔥 比libevent/libuv/asio更易用的网络库。A c/c++ network library for developing TCP/UDP/SSL/HTTP/WebSocket/MQTT/Redis client/server.
The power of curl, the ease of use of httpie.
Guzzle, an extensible PHP HTTP client
urllib3 is a user-friendly HTTP client library for Python
Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.
HTTP and WebSocket built on Boost.Asio in C++11
Feign makes writing java http clients easier
A very fast, powerful, extensible and asynchronous Neovim HTTP client written in Lua.
🚀 A Complete Fast Android Networking Library that also supports HTTP/2 🚀
A tiny wrapper built around fetch with an intuitive syntax. :candy:
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
Req is a batteries-included HTTP client for Elixir.
An interactive command-line HTTP and API testing client built on top of HTTPie featuring autocomplete, syntax highlighting, and more. https://twitter.com/httpie
An easy-to-use HTTP client to spoof TLS/JA3, HTTP2 and HTTP3 fingerprint
jquick‑curl: Java library to run raw curl commands, support copy‑paste curl from Postman/Apifox/Browser DevTools, no need to write HTTP client code.
A light-weight module that brings the Fetch API to Node.js
Asynchronous, non-blocking HTTP & WebSocket client for the JVM
Simple, high-performance event-driven HTTP client+server for Clojure
HTTP/1.1, HTTP/2, Websocket client (and more) for Erlang/OTP.
Elixir HTTP client, focused on performance
Asynchronous streaming communication for Clojure - web server, web client, and raw TCP/UDP
HTTP requests for Gophers
Lua HTTP client cosocket driver for OpenResty / ngx_lua.
The flexible HTTP client library for Elixir, with support for middleware and multiple adapters.
Plugin-driven, extensible HTTP client toolkit for Go
A fast HTTP client for Common Lisp
Requests for PHP is a humble HTTP request library. It simplifies how you interact with other sites and takes away all your worries.
The Scala HTTP client you always wanted!
Hit your API targets with rapid-fire precision using Go's fastest and simple HTTP Client.
Modern, fast and ergonomic C++ HTTP/1.1, HTTP/2 and WebSocket server & client library for Linux, macOS and Windows, perfect for microservices.
A Go "clone" of the great and famous Requests library
I love to teach dotnet concepts in a simple way with real world examples to people who aspire to to be a dotnet developer. I also help developers to refresh their memory with easy to understand analogy.
C++ client for making HTTP/REST requests
Web library for OCaml with support for HTTP/1.X / HTTP/2
Yet Another HTTP client for Elixir powered by hackney
A Go HTTP client library inspired by Axios, providing a simple and intuitive API for making HTTP requests with features like interceptors, JSON handling, configurable instances, and automatic retries
HTTP library for F#
Easy to use HTTP client plugin for neovim. Same syntax as IntelliJ HTTP client
Universal WHATWG Fetch API for Node, Browsers and React Native.
An opinionated HTTP library for .NET applications built on HttpClient message handlers. Provides request de-duplication, prioritised concurrency limiting, speculative background fetching and optional response caching.
Modern Clojure HTTP server and client built for ease of use and performance
HTTP and REST client for Crystal
A fast and easy-to-use HTTP-Rest-Client plugin for Neovim, completely written in LUA.
Use Ky in both Node.js and browsers
Go HTTP client w/ HTTPS and SOCKS5 Proxy Load-balancing, Failover, Retries, Authentication, and RoundTripper