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Fastify

Verified Sep 2026

Fast and low-overhead Node framework

Mature Node.js framework focused on speed, plugin architecture and schema-based validation.

The performance-focused Node framework: schema-based validation and serialization that also powers its speed, a serious plugin system, and TS support. The usual answer when Express feels slow and NestJS feels heavy. Its v5 continues the lean, standards-driven path.

Who it's for

Node.js teams who want Express-style ergonomics with significantly better throughput and schema validation.

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Fastify implements

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