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Open Source API Infrastructure Tools using CSS

A curated collection of the best open source infrastructure and tools for managing and securing APIs. using CSS.

Secure, scalable API key management for developers
  • Stars


    5,422
  • Last commit


    7 hours ago
  • License


    AGPL-3.0
Streamline API authentication with UnKey's powerful, developer-friendly platform for creating, revoking, and monitoring API keys.

Open Source Alternative to:

Unify APIs, databases, and services effortlessly
  • Stars


    1,253
  • Last commit


    8 hours ago
  • License


    Apache-2.0
A powerful backend framework that simplifies API integration, enhances security, and boosts developer productivity for modern web applications.

Open Source Alternative to:

Open-source GraphQL federation platform
  • Stars


    485
  • Last commit


    11 hours ago
  • License


    MIT
A fully open-source schema registry, analytics, and gateway for GraphQL federation and APIs

Open Source Alternative to:

Unified API, event, and AI agent management platform
  • Stars


    444
  • Last commit


    6 hours ago
  • License


    Apache-2.0
Full-lifecycle API management platform that unifies synchronous and asynchronous ecosystems. Manage APIs, event streams, and AI agents with enterprise security and 4x faster gateway performance.

Open Source Alternative to:

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