Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Category
Tags2
Sort:Used by Most Apps
Cheerio
The fast, flexible library for parsing and manipulating HTML and XML with a familiar jQuery-style API.
@fastify/cors
Official Fastify plugin that adds configurable CORS headers and preflight handling to any Fastify API.
connect-es
Type-safe RPC clients and servers for TypeScript, built from Protobuf schemas and servable over Connect, gRPC, or gRPC-Web.
@fastify/static
A Fastify plugin that serves static files and directories as fast as possible, with pre-compressed assets, custom caching, and directory listings built in.
@fastify/multipart
Streaming multipart/form-data parsing plugin for Fastify with async iterators and disk or memory upload modes
fastify-formbody
A lightweight Fastify plugin that parses application/x-www-form-urlencoded request bodies out of the box.
@fastify/websocket
Adds first-class WebSocket route support to Fastify, dispatching every upgrade through Fastify's own hooks and router instead of bolting ws on beside it.
@fastify/rate-limit
A low-overhead rate limiter for Fastify routes, with in-memory or Redis-backed request tracking.
@fastify/cookie
Fast, secure cookie parsing and signing plugin for Fastify applications
@fastify/swagger-ui
Serves an interactive Swagger UI inside a Fastify app, rendered directly from the OpenAPI spec that @fastify/swagger already generates.
fastify-helmet
Adds essential security HTTP headers to Fastify apps via a thin, Fastify-native wrapper around the helmet middleware.
@fastify/request-context
Request-scoped storage for Fastify apps, built on Node's AsyncLocalStorage, so any hook or handler can read and write per-request state without threading it through function arguments.
fastify-reply-from
Fastify plugin that forwards the current HTTP request to another server, with pluggable HTTP/1.1, HTTP/2, and undici transports.
@fastify/jwt
JWT authentication plugin for Fastify, decorating routes with sign, verify, and decode utilities built on fast-jwt.
@fastify/passport
A Fastify-native port of Passport.js that authenticates requests with pluggable strategies, sessions, and typed hooks.