Fastify vs Feathers
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
A fast, low-overhead web framework for building servers and APIs with Node.js.
Open source · MIT
A TypeScript/JavaScript framework for building web APIs and real-time apps.
The short answer
Choose Fastify if you need…
- Node.js developers building JSON APIs or backend services
- Teams that care about request throughput and want a lightweight framework
- Projects that want schema-based validation of routes and responses
- Developers who want to organize code into reusable plugins
Choose Feathers if you need…
- JavaScript or TypeScript developers building a web API
- Teams that want real-time features in a Node.js backend
- Developers building clients in React, Vue, Angular, or React Native who need a backend
- People who want a starter project generated with a single command
Side-by-side
| Fastify | Feathers | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 37.3k | 15.3k |
| Setup difficulty | Beginner | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | JavaScript | TypeScript |
| Last code update | 4 days ago | 5 days ago |
What each one is
Fastify
Fastify is a framework for building web servers and APIs in Node.js. You define routes, such as a URL that returns data, and Fastify handles incoming requests with minimal extra work per request. It also offers a plugin system, input and output validation using JSON Schema, and built-in logging through Pino.
Feathers
Feathers is a full-stack framework for building web APIs and real-time applications in TypeScript or JavaScript. According to its README, it can work with any backend technology, supports many databases out of the box, and works with frontends such as React, VueJS, Angular, React Native, Android, or iOS. It is aimed at developers who want to build the server side of an app and connect it to a client.
Best for
Fastify
- Node.js developers building JSON APIs or backend services
- Teams that care about request throughput and want a lightweight framework
- Projects that want schema-based validation of routes and responses
- Developers who want to organize code into reusable plugins
Feathers
- JavaScript or TypeScript developers building a web API
- Teams that want real-time features in a Node.js backend
- Developers building clients in React, Vue, Angular, or React Native who need a backend
- People who want a starter project generated with a single command
Strengths
Fastify
- The README reports high request throughput in a synthetic hello-world benchmark, with the caveat that real results depend on the application
- Supports JSON Schema validation and serialization for routes
- Includes a plugin architecture and hooks for extending behavior
Feathers
- The README shows a quick start of three commands to get a project running
- Supports many databases and works with a wide range of frontends, per the README
- Open-source under the MIT license with an active repository
Not ideal for
Fastify
- Beginners who have not yet learned Node.js basics, since the framework assumes JavaScript familiarity
- Projects that need a non-Node.js language, because Fastify is for Node.js only
- Teams expecting a large built-in feature set; much functionality comes from plugins, per the docs
Feathers
- Non-programmers, since it requires writing server code (the README assumes familiarity with Node.js tooling)
- Projects that must use a non-Node.js backend language, because the framework is built on JavaScript/TypeScript
- Anyone wanting a no-code tool; the README describes a code framework only
Trade-offs
Fastify
- Benchmark figures come from the maintainers' own synthetic test and may not match your workload
- The README's benchmark table lists an older Fastify version (4.0.0), so the numbers are not current
- Binding to 0.0.0.0 in containers requires care, since the README warns of security risks
Feathers
- The README is truncated and gives little detail on specific features, so the full scope is unclear from this source alone
- Requires Node.js and JavaScript/TypeScript knowledge to use effectively
- Documentation details live on the external website and guides rather than in the README
Getting started
Fastify
Install Fastify in an existing project
npm i fastifyGenerate a new Fastify project
npm init fastifyFeathers
Create a new app
npm create feathers my-new-appEnter the project folder
cd my-new-appFrequently asked questions
What is the difference between Fastify and Feathers?
Fastify: A fast, low-overhead web framework for building servers and APIs with Node.js. Feathers: A TypeScript/JavaScript framework for building web APIs and real-time apps. Fastify suits node.js developers building json apis or backend services, while Feathers suits javascript or typescript developers building a web api.
Are Fastify and Feathers free?
Fastify: Free and open source. Feathers: Free and open source.
Which is easier to set up, Fastify or Feathers?
Fastify is easier to get started with (rated beginner); Feathers is rated intermediate and usually needs more setup.
Is Fastify or Feathers more popular?
Fastify has more GitHub stars (37.3k) than Feathers (15.3k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Fastify and Feathers?
Other options people compare them with include Express, Koa.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.