Federation-Compatible Subgraph Implementations

Reference for compatible GraphQL server libraries


The following open-source GraphQL server libraries and hosted solutions support acting as a subgraph in a federated supergraph. Their support is tracked in Apollo's subgraph compatibility repository. Check out the repository for details on the compatibility tests listed in the table below.

To add a subgraph to this list, feel free to open an issue or check out the Apollo Federation Subgraph Maintainers Implementation Guide to learn how to submit a PR for your implementation!

Table Legend

IconDescription
Maintained by ApolloMaintained by Apollo
🟢Functionality is supported
Critical functionality is NOT supported
🔲Additional federation functionality is NOT supported

Ballerina

Library Federation 1 Support Federation 2 Support
Ballerina GraphQL Module
A spec-compliant, production-ready, Standard Library module for building and interacting with GraphQL APIs using Ballerina.

GitHub: ballerina-platform/module-ballerina-graphql

Type: Code first
Stars: 144 ⭐
Last Release: 2024-05-03

_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🔲
@provides🔲
federated tracing🔲
@link🟢
@shareable🔲
@tag🔲
@override🔲
@inaccessible🔲
@composeDirective🔲
@interfaceObject🔲

C# / .NET

Library Federation 1 Support Federation 2 Support
GraphQL for .NET
GraphQL for .NET

GitHub: graphql-dotnet/graphql-dotnet

Type: Code first | SDL first
Stars: 5.8k ⭐
Last Release: 2024-02-06

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@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🔲
@requires🟢
@provides🟢
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@link
@shareable🔲
@tag🔲
@override🔲
@inaccessible🔲
@composeDirective🔲
@interfaceObject🔲
Hot Chocolate
Open-source GraphQL server for the Microsoft .NET platform that takes the complexity away and lets you focus on delivering the next big thing.

GitHub: ChilliCream/graphql-platform

Type: Code first | SDL first
Stars: 4.9k ⭐
Last Release: 2024-04-22

Federation Library: apollographql/federation-hotchocolate
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@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢

Elixir

Library Federation 1 Support Federation 2 Support
Absinthe
The GraphQL toolkit for Elixir

GitHub: absinthe-graphql/absinthe

Type: Code first
Stars: 4.2k ⭐
Last Release: 2021-09-28

Federation Library: DivvyPayHQ/absinthe_federation
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢

Go

Library Federation 1 Support Federation 2 Support
gqlgen
go generate based graphql server library

GitHub: 99designs/gqlgen

Type: SDL first
Stars: 9.6k ⭐
Last Release: 2024-03-11

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@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
GraphQL Go (fork)
This is a fork of graphql-go/graphql that adds Federation support

GitHub: dariuszkuc/graphql

Type: Code first
Stars: 2 ⭐
Last Release: 2022-11-11

_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲

Java / Kotlin

Library Federation 1 Support Federation 2 Support
dgs-framework
GraphQL for Java with Spring Boot made easy.

GitHub: netflix/dgs-framework

Type: SDL first
Stars: 3.0k ⭐
Last Release: 2024-04-30

Core Library: GraphQL Java
Federation Library: apollographql/federation-jvm  Maintained by Apollo
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@key (single)🟢
@key (multi)🟢
@key (composite)🟢
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@requires🟢
@provides🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
GraphQL Java Kickstart (Spring Boot)
GraphQL and GraphiQL Spring Framework Boot Starters - Forked from oembedler/graphql-spring-boot due to inactivity.

GitHub: graphql-java-kickstart/graphql-spring-boot

Type: SDL first
Stars: 1.5k ⭐
Last Release: 2023-12-07

Core Library: GraphQL Java
Federation Library: apollographql/federation-jvm  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🟢
@link
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
GraphQL Kotlin
Libraries for running GraphQL in Kotlin

GitHub: ExpediaGroup/graphql-kotlin

Type: Code first
Stars: 1.7k ⭐
Last Release: 2024-04-18

Core Library: GraphQL Java
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
Spring GraphQL
Spring Integration for GraphQL

GitHub: spring-projects/spring-graphql

Type: SDL first
Stars: 1.5k ⭐
Last Release: 2024-04-16

Core Library: GraphQL Java
Federation Library: apollographql/federation-jvm  Maintained by Apollo
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@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
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@provides🟢
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢

JavaScript / TypeScript

Library Federation 1 Support Federation 2 Support
Apollo Server
🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.

GitHub: apollographql/apollo-server  Maintained by Apollo

Type: SDL first
Stars: 13.7k ⭐
Last Release: 2024-04-18

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
express-graphql
Create a GraphQL HTTP server with Express.

GitHub: graphql/express-graphql

Type: SDL first
Stars: 6.3k ⭐
Last Release: 2020-11-19

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
GraphQL Yoga
The fully featured GraphQL server with focus on easy setup, performance and great developer experience.

GitHub: dotansimha/graphql-yoga

Type: SDL first
Stars: 8.0k ⭐
Last Release: 2024-03-29

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
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@provides🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
GraphQL Helix
A highly evolved and framework-agnostic GraphQL HTTP server.

GitHub: contra/graphql-helix

Type: SDL first
Stars: 831 ⭐
Last Release: 2022-07-09

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
Mercurius
Implement GraphQL servers and gateways with Fastify

GitHub: mercurius-js/mercurius

Type: SDL first
Stars: 2.3k ⭐
Last Release: 2024-04-22

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
NestJS (code first)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications.

GitHub: nestjs/graphql

Type: Code first
Stars: 1.4k ⭐
Last Release: 2024-02-07

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🔲
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🟢
NestJS (SDL First)
A progressive Node.js framework for building efficient, reliable and scalable server-side applications.

GitHub: nestjs/graphql

Type: SDL first
Stars: 1.4k ⭐
Last Release: 2024-02-07

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
Pothos GraphQL
Plugin based GraphQL schema builder that makes building graphql schemas with TypeScript easy, fast and enjoyable.

GitHub: hayes/pothos

Type: Code first
Stars: 2.2k ⭐
Last Release: 2024-04-17

Core Library: GraphQL.js
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢

PHP

Library Federation 1 Support Federation 2 Support
Lighthouse (Laravel)
A framework for serving GraphQL from Laravel

GitHub: nuwave/lighthouse

Type: SDL first
Stars: 3.3k ⭐
Last Release: 2024-05-01

Core Library: webonyx/graphql-php
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
GraphQL PHP
PHP implementation of the GraphQL specification based on the reference implementation in JavaScript

GitHub: webonyx/graphql-php

Type: Code first
Stars: 4.6k ⭐
Last Release: 2024-03-11

Federation Library: Skillshare/apollo-federation-php
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link
@shareable🔲
@tag🔲
@override🔲
@inaccessible🔲
@composeDirective🔲
@interfaceObject🔲

Python

Library Federation 1 Support Federation 2 Support
Ariadne
Python library for implementing GraphQL servers using schema-first approach.

GitHub: mirumee/ariadne

Type: SDL first
Stars: 2.1k ⭐
Last Release: 2024-03-18

Core Library: GraphQL-core 3
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🟢
Graphene
GraphQL framework for Python

GitHub: graphql-python/graphene

Type: Code first
Stars: 8.0k ⭐
Last Release: 2023-07-26

Core Library: GraphQL-core 3
Federation Library: graphql-python/graphene-federation
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
Strawberry
A GraphQL library for Python that leverages type annotations 🍓

GitHub: strawberry-graphql/strawberry

Type: Code first
Stars: 3.8k ⭐
Last Release: 2024-05-01

Core Library: GraphQL-core 3
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢

Ruby

Library Federation 1 Support Federation 2 Support
GraphQL Ruby
Ruby implementation of GraphQL

GitHub: rmosolgo/graphql-ruby

Type: Code first
Stars: 5.3k ⭐
Last Release: 2021-02-12

Federation Library: Gusto/apollo-federation-ruby
_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🟢
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🟢

Rust

Library Federation 1 Support Federation 2 Support
async-graphql
A GraphQL server library implemented in Rust

GitHub: async-graphql/async-graphql

Type: Code first
Stars: 3.2k ⭐
Last Release: 2022-11-28

_service🟢
@key (single)🟢
@key (multi)🟢
@key (composite)🟢
repeatable @key🟢
@requires🟢
@provides🟢
federated tracing🔲
@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🔲

Scala

Library Federation 1 Support Federation 2 Support
Caliban
Functional GraphQL library for Scala

GitHub: ghostdogpr/caliban

Type: Code first
Stars: 939 ⭐
Last Release: 2024-04-16

_service🟢
@key (single)🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
Sangria
Scala GraphQL implementation

GitHub: sangria-graphql/sangria

Type: Code first
Stars: 2.0k ⭐
Last Release: 2024-02-01

Federation Library: sangria-graphql/sangria-federated
_service🟢
@key (single)🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢

Swift

Library Federation 1 Support Federation 2 Support
Graphiti
The Swift GraphQL Schema framework for macOS and Linux

GitHub: GraphQLSwift/Graphiti

Type: SDL first
Stars: 523 ⭐
Last Release: 2023-11-15

_service🟢
@key (single)🟢
@key (multi)🟢
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repeatable @key🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢

Other Solutions

Library Federation 1 Support Federation 2 Support
AWS AppSync
Serverless GraphQL and Pub/Sub APIs


_service🟢
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
Dgraph
Dgraph is the native GraphQL database with a graph backend. It is open-source, scalable, distributed, highly available and lightning fast.


_service
@key (single)🟢
@key (multi)🔲
@key (composite)🔲
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@link
@shareable🔲
@tag🔲
@override🔲
@inaccessible🔲
@composeDirective🔲
@interfaceObject🔲
Grafbase
The GraphQL platform

GitHub: grafbase/grafbase

Type: Code first | SDL first
Stars: 934 ⭐
Last Release: 2024-02-23

_service🟢
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@link
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@tag🟢
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@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
GraphQL Mesh
Executable GraphQL schema from multiple data sources, query anything, run anywhere.

GitHub: Urigo/graphql-mesh

Stars: 3.2k ⭐
Last Release: 2024-04-30

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@link🟢
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@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
Neo4J Graph Database
A GraphQL to Cypher query execution layer for Neo4j and JavaScript GraphQL implementations.

GitHub: neo4j/graphql

Type: Code first | SDL first
Stars: 485 ⭐
Last Release: 2024-04-30

Core Library: GraphQL.js
Federation Library: Apollo Subgraph  Maintained by Apollo
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@link🟢
@shareable🟢
@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🟢
@interfaceObject🟢
StepZen, an IBM Company
Build GraphQL APIs for all your data in a declarative way. Federate across any data source, including GraphQL.


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@link🟢
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@tag🟢
@override🟢
@inaccessible🟢
@composeDirective🔲
@interfaceObject🔲
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