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

93Health
Tool Composer

PHP CS Fixer

CLI tool that automatically fixes PHP code to follow coding standards

13,567
MIT
Used by 11
56Health
Library npm

downshift

Accessible React hooks and a render-prop primitive for building fully custom autocomplete, combobox, select, and multi-select components.

12,304
MIT
Used by 11
89Health
Library Go

Resty

A simple, chainable HTTP and REST client for Go with built-in retries, middleware, and auth helpers.

11,817
MIT
Used by 11
91Health
Framework npm

Starlight

An Astro integration for building beautiful, accessible, high-performance documentation websites with almost no config.

9,458
MIT
Used by 11
46Health
Library Go

mock

GoMock is a mocking framework for Go that generates type-safe mock implementations of interfaces, integrating directly with the standard testing package.

9,317
Apache 2.0
Used by 11
94Health
Tool Cargo

wasm-bindgen

Rust-JavaScript interop toolchain that generates the glue code needed to compile Rust to WebAssembly and call it from JS

9,203
Apache 2.0
Used by 11
75Health
Library Go

Bubbles

Ready-made terminal UI components—spinners, tables, lists, inputs, and more—for building Bubble Tea applications in Go.

9,008
MIT
Used by 11
64Health
Tool npm

js-beautify

Reformats and re-indents JavaScript, HTML, and CSS into clean, readable code

8,998
MIT
Used by 11
89Health
Library npm

Ariakit

Unstyled, accessible React components implementing WAI-ARIA patterns for building custom design systems.

8,628
MIT
Used by 11
66Health
Library npm

bowser

A small, fast browser, platform, and rendering-engine detector for browser and Node environments

5,764
MIT
Used by 11
45Health
Library Go

envconfig

A lightweight, dependency-free Go library that populates typed structs from environment variables using reflection and struct tags.

5,469
MIT
Used by 11
94Health
Library npm

graphql-tools

The original SDL-first GraphQL schema builder, now a thin compatibility layer over @graphql-tools/schema.

5,430
MIT
Used by 11
93Health
SDK Go

slack

A comprehensive Go client for the Slack Web API, RTM, Events API, and Socket Mode.

4,972
Other
Used by 11
70Health
SDK npm

ollama-js

Official JavaScript/TypeScript client for chatting, streaming, and generating with local or cloud-hosted Ollama models.

4,399
MIT
Used by 11
43Health
Library npm

react-loading-skeleton

Animated React skeleton screens that automatically adapt to your app's fonts, sizing, and layout.

4,210
MIT
Used by 11
79Health
Library PyPI

RapidFuzz

Fast fuzzy string matching and edit-distance metrics for Python, backed by a C++ core with an automatic pure-Python fallback.

4,176
MIT
Used by 11
49Health
Library npm

match-sorter

Simple, deterministic best-match sorting and filtering for arrays in JavaScript and TypeScript.

4,115
MIT
Used by 11
78Health
Library npm

react-tooltip

A lightweight, accessible React tooltip component with automatic Floating UI-powered positioning.

3,826
MIT
Used by 11
50Health
Library npm

rrule

A JavaScript/TypeScript library for computing iCalendar (RFC 5545) recurrence rules for calendar dates.

3,747
BSD 3
Used by 11
85Health
Library Go

miniredis

A pure Go, in-memory Redis server for fast, dependency-free unit tests.

3,627
MIT
Used by 11
56Health
Library npm

he

A robust, spec-compliant HTML entity encoder and decoder for JavaScript with full Unicode support.

3,612
MIT
Used by 11
70Health
Library npm

web-push

Node.js library for sending Web Push notifications with VAPID and payload encryption

3,566
MPL-2.0
Used by 11
89Health
SDK Go

OpenAI Go

The official Go library for the OpenAI API, covering Responses, Chat Completions, Realtime, Assistants, and more with generated, type-safe bindings.

3,505
Apache 2.0
Used by 11
89Health
Library npm

keyv

A consistent Promise-based key-value storage API for Node.js with pluggable adapters for Redis, MongoDB, SQLite, Postgres, and more.

3,201
MIT
Used by 11

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