Open Source API Clients using JSON Schema
A curated collection of the best open source client applications for interacting with and testing APIs. using JSON Schema.
Lightweight, fast, and open-source API client for developers
Stars
47,649Last commit
5 hours agoLicense
MIT
A modern, user-friendly API client that simplifies API testing and development with a clean interface and powerful features.
Open Source Alternative to:
Powerful API development and testing made effortless
Stars
40,047Last commit
6 hours agoLicense
Apache-2.0
Intuitive API client for REST, GraphQL, and gRPC. Debug, test, and collaborate on APIs with ease across platforms.
Open Source Alternative to:
Intercept, modify, and debug HTTP(S) requests effortlessly
Stars
6,754Last commit
13 hours agoLicense
AGPL-3.0
A powerful browser extension and desktop app for developers to manipulate network requests, debug APIs, and improve web app testing
Open Source Alternative to:
Unified API development ecosystem for modern teams
Stars
2,615Last commit
8 months agoLicense
AGPL-3.0
All-in-one platform for API testing, documentation, and collaboration, simplifying the entire API development lifecycle.
Open Source Alternative to:
Postiz – The All-in-One agentic social media scheduling tool
Postiz