Best Open Source API Infrastructure Tools using Vitest in 2026

UnKey

Secure, scalable API key management for developers

Stars
5,255
Forks
616
Last commit
4 hours ago

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

Open Source Alternative to:

Apigee

Trieve

AI-powered search and RAG platform for faster, more relevant results

Stars
2,640
Forks
241
Last commit
3 months ago

Trieve offers an all-in-one solution for search, recommendations, and RAG with automatic continuous improvement based on user feedback.

Open Source Alternative to:

Pinecone

Tailcall

The modern GraphQL runtime

Stars
1,434
Forks
256
Last commit
8 hours ago

Swiftly design and ship best-practice GraphQL backends atop existing data sources and APIs.

Open Source Alternative to:

Apollo GraphQL

WunderGraph

Unify APIs, databases, and services effortlessly

Stars
1,198
Forks
232
Last commit
5 hours ago

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

Open Source Alternative to:

Apollo GraphQL

Hive

Open-source GraphQL federation platform

Stars
477
Forks
132
Last commit
7 hours ago

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

Open Source Alternative to:

Apollo GraphQL

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

Stars
Forks
Last commit

UnKey

Secure, scalable API key management for developers

Stars
5,255
Forks
616
Last commit
4 hours ago

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

Open Source Alternative to:

Apigee

Trieve

AI-powered search and RAG platform for faster, more relevant results

Stars
2,640
Forks
241
Last commit
3 months ago

Trieve offers an all-in-one solution for search, recommendations, and RAG with automatic continuous improvement based on user feedback.

Open Source Alternative to:

Pinecone

Tailcall

The modern GraphQL runtime

Stars
1,434
Forks
256
Last commit
8 hours ago

Swiftly design and ship best-practice GraphQL backends atop existing data sources and APIs.

Open Source Alternative to:

Apollo GraphQL

WunderGraph

Unify APIs, databases, and services effortlessly

Stars
1,198
Forks
232
Last commit
5 hours ago

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

Open Source Alternative to:

Apollo GraphQL

Hive

Open-source GraphQL federation platform

Stars
477
Forks
132
Last commit
7 hours ago

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

Open Source Alternative to:

Apollo GraphQL

Open Source API Infrastructure Tools using Vitest

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