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Open Source API Infrastructure Tools using Golang

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

High-performance API gateway with built-in LLM support
  • Stars


    17,161
  • Last commit


    2 days ago
  • License


    Apache-2.0
Apache APISIX is an open-source API gateway built on NGINX and etcd, offering dynamic routing, 100+ plugins, load balancing, authentication, and traffic management for APIs and LLM workloads.

Open Source Alternative to:

Secure, scalable API key management for developers
  • Stars


    5,445
  • Last commit


    5 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:

Blazing-fast API gateway with linear scalability
  • Stars


    2,686
  • Last commit


    2 days ago
  • License


    Apache-2.0
High-performance, stateless API gateway built for microservices. Handle 80K+ requests/second with transparent pricing and enterprise-grade reliability.

Open Source Alternative to:

Unify APIs, databases, and services effortlessly
  • Stars


    1,267
  • Last commit


    3 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:

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