Repository Index

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

• api
• api-client
• api-rest
• pwa

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

• api-client
• git
• graphql-client
• opensource

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

• electron-app
• rest-api
• api-client
• curl

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

• http
• cli
• client
• terminal

OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)

• rest-api
• rest-client
• sdk
• generator

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

• api
• docs
• openapi
• reference

Connect your agents & product to 1,000 APIs.

• oauth2
• oauth1
• api
• api-client

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

• http-client
• cli
• rest-api
• developer-tools

Generate Go client and server boilerplate from OpenAPI 3 specifications

• openapi3
• golang
• swagger
• openapi

Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.

• open-source
• api-client
• api-testing
• developer-tools

The power of curl, the ease of use of httpie.

• curl
• httpie
• webdevelopment
• api-client

OpenAI API + Ruby! 🤖❤️ GPT-5 & Realtime WebRTC compatible!

• ai
• api-client
• openai
• ruby

Messaging APIs for multi-platform

• messaging
• messenger
• line
• api-client

Automated API Testing and Quality Assurance

• api-rest
• api-testing
• test-automation
• testing-tools

⚒️ Redocly CLI makes OpenAPI easy. Lint/validate to any standard, generate beautiful docs, and more.

• openapi-cli
• openapi
• openapi3
• openapi31

C++ Discord API Bot Library - D++ is Lightweight and scalable for small and huge bots!

• cpp
• discord
• discord-bot
• library

A Go client library for the Twitter 1.1 API

• go
• twitter
• golang
• go-library

Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.

• api
• golang
• grpc
• rest

A Discord API wrapper library made in C

• c
• linux
• windows
• discord

A framework for building integrations and APIs

• integration
• api
• api-client
• rest-api

A Python RESTful API framework for online malware analysis and threat intelligence services.

• python
• cybersecurity
• malware
• malware-analysis

Library for connecting to substrate API over WebSockets

• substrate

One API for every LLM: 170+ providers through one client, with a Rust core and native bindings for every major language.

• anthropic
• api-client
• llm
• machine-learning

✨ Golang Client Library for Atlassian Cloud.

• jira
• confluence
• jira-service-management
• api-client