Browse free open source API Gateways and projects for Windows below. Use the toggles on the left to filter open source API Gateways by OS, license, language, programming language, and project status.
Development toolkit for Web Services and XML data bindings for C & C++
Opensource IDE For Exploring and Testing Api's
HTML, JavaScript, and CSS assets that generate Swagger documentation
The open-source, cross-platform API client for GraphQL
Thunder Client is a lightweight Rest API Client Extension for VS Code
OpenSource Postman Alternative. The developer-first API devtool
AWS Lambda support for ASGI applications
CLI tool to build, test, debug, and deploy Serverless applications
The cloud-native API gateway
Open Source API Gateway written in Go
Local Lambda debug, CodeWhisperer, SAM/CFN syntax, etc.
Open source API development ecosystem
Module for using Node-API from C++
A PHP client library for accessing Google APIs
Google's supported Node.js client library
Develop and test your cloud apps offline
APIPark is the #1 open-source AI Gateway and Developer Portal
A light-weight REST API development framework for ASP.Net 6
Allows you to create machine-readable definitions of asynchronous APIs
Rate Limiting extension for Flask
The Cloud-Native API Gateway
High-performance, stateless, declarative, API Gateway written in Go.
OpenAPI based HTTP Client code generator
OpenAPI Generator allows generation of API client libraries
Simple REST and HTTP API Client for .NET