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Mercurius is a Fastify-native GraphQL adapter for Node.js and TypeScript applications. It supports queries, mutations, subscriptions, persisted queries, caching, and federation for teams building high-performance GraphQL APIs.
💡 Pick it for the largest GraphQL ecosystem and mature schema observability instead of Fastify-specific performance.
Apollo Server is an open-source, spec-compliant GraphQL server that's compatible with any GraphQL schema.
The Guild
💡 Choose it when portability across runtimes matters more than Mercurius's specialized Fastify integration.
GraphQL Yoga is a standards-oriented GraphQL server for JavaScript and TypeScript that runs with multiple web frameworks and runtimes. It provides a...
Free, open source
💡 Pick it to generate a database-backed GraphQL API quickly without implementing most resolvers yourself.
Hasura is an open-source engine that connects to your databases & microservices and instantly gives you a production-ready GraphQL API.
Free tier available, paid plans starting at $99/month
💡 Choose it when PostgreSQL is the source of truth and you want a generated API instead of hand-written Mercurius resolvers.
PostGraphile is an instant GraphQL API for your PostgreSQL database, with a focus on your data.
Open-source, free to use
GraphQL Helix
💡 Use it when you need transport-level control or a custom runtime rather than Mercurius's integrated Fastify server.
GraphQL Helix is a lightweight, transport-agnostic toolkit for building GraphQL servers in JavaScript and TypeScript. It focuses on separating GraphQL execution from...
Free, open source
💡 Pick it for extensible GraphQL middleware and cross-framework reuse when Mercurius feels too integrated.
Envelop is a project management software that helps teams collaborate and manage tasks efficiently.
$20 per user per month
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