Thunder Client is a lightweight Rest API Client Extension for VS Code
Opensource IDE For Exploring and Testing Api's
The open-source, cross-platform API client for GraphQL
Develop and test your cloud apps offline
OpenSource Postman Alternative. The developer-first API devtool
CLI tool to build, test, debug, and deploy Serverless applications
A light-weight REST API development framework for ASP.Net 6
The cloud-native API gateway
Development toolkit for Web Services and XML data bindings for C & C++
A simple client for doccano API
Create chat bots for Facebook Messenger, Slack, Amazon Alexa, etc.
High-level API design language for web APIs