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

42Health
Library npm

clsx

A tiny, fast utility for conditionally constructing className strings

9,838
MIT
Used by 256
87Health
Library npm

tailwind-merge

Merge Tailwind CSS classes without style conflicts

5,688
MIT
Used by 218
76Health
Library npm

Lodash

A modern JavaScript utility library delivering modularity, performance, and extras for arrays, objects, and functions.

61,278
MIT
Used by 194
72Health
Library npm

uuid

RFC9562-compliant UUID generation for JavaScript and TypeScript.

15,326
MIT
Used by 172
94Health
SDK npm

AWS SDK for JavaScript (S3 Client)

The official modular AWS SDK v3 client for Amazon S3, with TypeScript-first APIs and streaming support.

3,666
Apache 2.0
Used by 129
74Health
Library npm

globals

A single JSON file of global identifiers for every JavaScript environment, used by ESLint and other static analysis tools.

610
MIT
Used by 125
87Health
Library npm

nanoid

A tiny, secure, URL-friendly unique string ID generator for JavaScript and TypeScript

26,969
MIT
Used by 113
66Health
Library npm

semver

The semantic version parser and range matcher that powers npm itself.

5,465
Other
Used by 112
75Health
Library Cargo

serde_json

The de facto standard JSON library for Rust, built on the Serde serialization framework

5,636
Apache 2.0
Used by 111
76Health
Library Cargo

serde

A generic framework for serializing and deserializing Rust data structures efficiently and safely.

10,825
Other
Used by 108
45Health
Library Go

uuid

Dependency-free RFC 9562 UUID generation and parsing for Go, with built-in SQL and encoding support.

6,144
MIT
Used by 103
82Health
Library npm

js-yaml

A fast, complete YAML 1.2 and 1.1 parser and serializer for JavaScript.

6,630
MIT
Used by 101
90Health
Library npm

yaml

A definitive TypeScript parser and stringifier for YAML, supporting 1.1 and 1.2 with comment and CST access.

1,691
Other
Used by 98
51Health
Library npm

jsonwebtoken

The de facto Node.js library for signing, verifying, and decoding JSON Web Tokens.

18,196
MIT
Used by 93
42Health
Library npm

rimraf

Cross-platform recursive file and directory removal for Node.js, modeled on the UNIX `rm -rf` command.

5,848
Other
Used by 87
56Health
Library npm

fs-extra

Drop-in replacement for Node's fs module adding copy, remove, mkdirs, and JSON helpers with native promise support.

9,589
MIT
Used by 84
58Health
Library npm

glob

The most correct and second-fastest shell-style file pattern matching library for Node.js.

8,711
Other
Used by 84
56Health
Library npm

tslib

The runtime library that houses TypeScript's compiler helper functions so your emitted code stays small.

1,343
Other
Used by 81
55Health
Library PyPI

PyYAML

A full-featured YAML parser and emitter for Python, with C-accelerated bindings

2,942
MIT
Used by 79
60Health
Library npm

diff

A battle-tested JavaScript library for computing and applying text diffs at the character, word, line, sentence, CSS, or JSON level.

9,207
BSD 3
Used by 70
59Health
Library npm

classnames

A tiny utility for conditionally joining CSS class names together.

17,777
MIT
Used by 68
73Health
Library Cargo

tempfile

A secure, cross-platform Rust library for temporary files and directories that clean up automatically on drop.

1,463
Other
Used by 68
89Health
Library npm

jose

Zero-dependency JWT, JWS, JWE, and JWK toolkit for Node.js, browsers, and edge runtimes.

7,792
MIT
Used by 66
67Health
Library Cargo

base64

Correct, fast, and configurable base64 encoding and decoding for Rust, with pluggable alphabets and padding.

736
Apache 2.0
Used by 66

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