Directory

Open Source Packages

Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.

5929 packages

All Packages

84Health
Library npm

body-parser

Node.js body-parsing middleware that turns raw HTTP request bodies into ready-to-use req.body objects.

5,499
MIT
Used by 36
66Health
Tool npm

mini-css-extract-plugin

A Webpack 5 plugin that extracts imported CSS into separate files per chunk, with async loading, source maps, and on-demand delivery.

4,660
MIT
Used by 35
44Health
Library npm

fflate

High-performance DEFLATE, GZIP, Zlib, and ZIP compression for JavaScript in an 8kB package.

3,009
MIT
Used by 35
75Health
Library Cargo

flate2

Streaming DEFLATE, gzip, and zlib compression for Rust with pluggable backends

1,124
Other
Used by 35
78Health
Tool npm

TypeScript Native Preview

Preview npm build of tsgo, the native Go port of the TypeScript compiler ahead of TypeScript 7.0.

26,194
Apache 2.0
Used by 34
48Health
Library npm

bcrypt

Battle-tested password hashing for Node.js using the adaptive bcrypt algorithm.

7,803
MIT
Used by 34
40Health
Library npm

tsconfig-paths

Resolves TypeScript path aliases from tsconfig.json at runtime so Node can load them like the compiler does.

1,906
MIT
Used by 34
78Health
Tool npm

unplugin-dts

Bundler plugin that generates .d.ts declaration files across Vite, Rollup, Webpack, Rspack, and esbuild

1,526
MIT
Used by 34
58Health
Tool npm

Create React App

Zero-configuration CLI that bootstraps a React single-page app in one command

103,261
MIT
Used by 33
65Health
Tool npm

openapi-typescript

Generate type-safe TypeScript types directly from your OpenAPI 3.0 and 3.1 schemas.

8,366
MIT
Used by 33
65Health
Library npm

postcss-import

A PostCSS plugin that inlines @import rules, merging split CSS files into one stylesheet before other plugins run.

1,410
MIT
Used by 33
78Health
Tool npm

TypeDoc

Generates browsable API documentation straight from TypeScript source and doc comments, using the real compiler to get types right.

8,453
Apache 2.0
Used by 32
55Health
Library npm

superjson

Serialize JavaScript to a superset of JSON that keeps Dates, Maps, Sets, BigInts, and more intact.

5,277
MIT
Used by 32
87Health
Library npm

fast-xml-parser

Pure-JS XML parser, builder, and validator with no C/C++ bindings and no callbacks

3,139
MIT
Used by 32
65Health
Library PyPI

Certifi

Mozilla's curated root CA bundle for verifying SSL/TLS certificates in Python.

997
MPL-2.0
Used by 32
38Health
Library npm

gray-matter

Fast, dependable front-matter parser for YAML, JSON, TOML, and CoffeeScript metadata blocks

4,490
MIT
Used by 31
83Health
Library npm

fast-glob

A very fast and efficient glob library for Node.js

2,823
MIT
Used by 31
64Health
Library npm

cookie

Basic HTTP cookie parser and serializer for HTTP servers, with zero dependencies and full RFC 6265 support.

1,534
MIT
Used by 31
76Health
Library Cargo

toml

A native Rust encoder and decoder for TOML with first-class Serde support.

1,073
Apache 2.0
Used by 31
98Health
Library PyPI

Protocol Buffers

Google's language-neutral, platform-neutral binary format for serializing structured data

72,037
BSD 3
Used by 30
89Health
Tool npm

vue-tsc

A command-line type-checking tool that teaches the TypeScript compiler to understand Vue single-file components.

6,718
MIT
Used by 30
45Health
Library npm

zod-to-json-schema

Converts Zod validation schemas into standard JSON Schema, ready for OpenAPI, OpenAI, and JSON Schema draft 7 consumers.

1,252
Other
Used by 30
70Health
Library npm

csv-parse

A flexible, dependency-free CSV parser for Node.js and the browser with stream, callback, and sync APIs.

4,287
MIT
Used by 29
89Health
Library PyPI

lxml

A fast, feature-rich Python library for processing XML and HTML, built on libxml2 and libxslt.

3,055
BSD 3
Used by 29

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