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Top 23 JavaScript Fastify Projects
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nodejs-testing-best-practices
Beyond the basics of Node.js testing. Including a super-comprehensive best practices list and an example app (April 2025)
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Fastify allows you to set custom metadata for routes, and when combined with the fastify-swagger plugin, you can mark routes as deprecated in your OpenAPI documentation.
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fastify-example
This project is a small but feature complete application build with Fastify and Svelte, and it aims to show all the core concepts of Fastify, best practices, and recommendations.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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aws-lambda-fastify
Insipired by aws-serverless-express to work with Fastify with inject functionality
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@fastify/cors: Middleware for enabling Cross-Origin Resource Sharing (CORS).
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
JavaScript Fastify discussion
JavaScript Fastify related posts
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Managing Request-Scoped Data in Fastify
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Fastify now supports the Vite Environment API
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Fastify/Vite 8.0.0
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Fastify API with Postgres and Drizzle ORM
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Mercurius: A GraphQL HTTP Server for Fastify
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Deprecating Node JS REST APIs in 6 Frameworks
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Show HN: Fastify/Vue 1.0 Alpha
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source Fastify projects in JavaScript? This list will help you:
# | Project | Stars |
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1 | nodejs-testing-best-practices | 4,148 |
2 | mercurius | 2,440 |
3 | platformatic | 1,655 |
4 | fastify-vite | 1,077 |
5 | fastify-swagger | 1,016 |
6 | fastify-example | 767 |
7 | fastify-cli | 706 |
8 | benchmarks | 619 |
9 | fastify-jwt | 556 |
10 | fastify-rate-limit | 553 |
11 | fastify-nextjs | 549 |
12 | aws-lambda-fastify | 543 |
13 | fastify-multipart | 517 |
14 | fastify-static | 476 |
15 | fastify-cors | 464 |
16 | fastify-websocket | 441 |
17 | fastify-helmet | 439 |
18 | route-list | 392 |
19 | fastify-auth | 372 |
20 | fastify-http-proxy | 372 |
21 | point-of-view | 366 |
22 | fastify-autoload | 360 |
23 | fastify-oauth2 | 290 |