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

54Health
Library npm

cobe

A 5KB, zero-dependency WebGL library for rendering interactive, animated 3D globes with markers and arcs.

6,002
MIT
Used by 8
46Health
Library Go

imaging

A fast, dependency-light Go library for resizing, cropping, rotating, and adjusting images with zero cgo requirements.

5,766
MIT
Used by 8
83Health
Library Composer

Laravel Socialite

An expressive OAuth 1 & 2 client for Laravel that handles social login boilerplate

5,742
MIT
Used by 8
89Health
Library npm

Remeda

A TypeScript-first utility library with data-first and data-last function variants, lazy pipe evaluation, and fully typed transformations.

5,445
MIT
Used by 8
74Health
Library Go

Gofakeit

A zero-dependency Go library with 310+ functions for generating random fake data, from single values to fully populated structs.

5,406
MIT
Used by 8
56Health
Library npm

colors.js

Terminal string styling for Node.js console output, and the package at the center of a 2022 supply-chain sabotage incident.

5,156
MIT
Used by 8
86Health
Library PyPI

json_repair

Repair malformed JSON from LLMs, APIs, logs, and user input — a drop-in fallback for json.loads().

5,124
MIT
Used by 8
55Health
Library Go

ulid

A Go library for generating and parsing ULIDs — universally unique, lexicographically sortable identifiers.

5,049
Apache 2.0
Used by 8
79Health
Library PyPI

python-socketio

Python implementation of the Socket.IO realtime protocol for both servers and clients.

4,373
MIT
Used by 8
88Health
Library PyPI

Markdown

The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.

4,254
BSD 3
Used by 8
90Health
Library PyPI

msgspec

A fast, zero-cost serialization and validation library for JSON, MessagePack, YAML, and TOML in Python.

4,183
BSD 3
Used by 8
97Health
SDK npm

@azure/msal-browser

Client-side authentication library for browser SPAs, implementing OAuth 2.0 Authorization Code Flow with PKCE against Microsoft Entra ID.

4,142
MIT
Used by 8
88Health
Library Cargo

utoipa

Compile-time generated OpenAPI documentation for Rust APIs

4,126
Apache 2.0
Used by 8
91Health
Library Go

go-containerregistry

A Go library and CLI toolkit for reading, writing, and mutating OCI container images across registries, tarballs, and daemons.

4,095
Apache 2.0
Used by 8
72Health
Library Go

redsync

A Go implementation of the Redlock distributed locking algorithm for coordinating mutual exclusion across multiple Redis instances.

4,054
BSD 3
Used by 8
43Health
Tool npm

source-map-explorer

Visualizes JavaScript bundle contents by analyzing source maps to reveal exactly which files bloat your minified code.

3,929
Apache 2.0
Used by 8
72Health
Tool PyPI

flake8

The CLI linter that wraps PyFlakes, pycodestyle, and McCabe complexity checks into a single Python style and error checker.

3,829
MIT
Used by 8
64Health
Library Cargo

nix

Safe, friendly Rust bindings to *nix system APIs, built on top of raw libc calls

3,082
MIT
Used by 8
77Health
Library Cargo

hashbrown

Rust port of Google's SwissTable hash map, the engine behind std's HashMap

3,006
Apache 2.0
Used by 8
59Health
Library npm

connect-redis

Redis-backed session store for Express and Connect apps, built on express-session's Store interface.

2,822
MIT
Used by 8
48Health
Library Go

gojsonschema

A Go implementation of JSON Schema, supporting draft-04, draft-06, and draft-07 validation.

2,740
Apache 2.0
Used by 8
61Health
Library Cargo

Moka

Fast, concurrent in-memory caching library for Rust, inspired by Java's Caffeine

2,711
Apache 2.0
Used by 8
50Health
Library npm

d3-shape

Graphical shape generators for arcs, lines, areas, pies, and stacks that render as SVG paths or Canvas draw calls.

2,531
Other
Used by 8
81Health
Library npm

jest-extended

Additional custom matchers for Jest to extend and simplify your test assertions.

2,349
MIT
Used by 8

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