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

90Health
Library npm

daisyui

Semantic component classes and built-in themes for Tailwind CSS, so buttons, forms, and modals no longer need a wall of utility classes.

42,667
MIT
Used by 12
54Health
Library npm

clipboard.js

A modern, Flash-free JavaScript library for copying and cutting text to the clipboard

34,099
MIT
Used by 12
91Health
Library PyPI

Chroma

Open-source embedding database for building AI apps with retrieval and semantic search

29,569
Apache 2.0
Used by 12
98Health
Library npm

swagger-ui-react

A React component that turns OpenAPI/Swagger specs into interactive, browsable API documentation.

29,042
Apache 2.0
Used by 12
78Health
Library npm

Lit

A simple, fast library for building standards-based web components

21,863
BSD 3
Used by 12
93Health
Library npm

FullCalendar

A full-sized, drag-and-drop JavaScript calendar for events, resources, and scheduling

20,713
MIT
Used by 12
90Health
Library npm

react-pdf

Build complex, print-ready PDF documents in React using familiar components and a flexbox-based layout engine, in the browser and on Node.

16,841
MIT
Used by 12
65Health
Library npm

Bull

Redis-backed job queue for Node.js with retries, rate limiting, and scheduling

16,257
MIT
Used by 12
84Health
Library npm

ahooks

A high-quality, production-tested collection of React hooks

14,975
MIT
Used by 12
90Health
SDK PyPI

E2B

Python SDK for spinning up secure, isolated cloud sandboxes where AI agents can safely run code.

14,524
MIT
Used by 12
91Health
Tool npm

Rspack CLI

The official command-line interface for running Rspack builds, dev servers, and previews.

12,952
MIT
Used by 12
56Health
Library npm

Comlink

A tiny RPC library that makes Web Workers enjoyable to use in JavaScript

12,807
Apache 2.0
Used by 12
91Health
Library PyPI

PyMuPDF

A high-performance Python library for extracting, rendering, converting, and manipulating PDF and other document formats.

10,979
AGPL 3.0
Used by 12
70Health
Library PyPI

prompt_toolkit

A pure-Python library for building powerful interactive command-line applications

10,602
BSD 3
Used by 12
65Health
Library Go

protobuf

Legacy Go bindings for Protocol Buffers, now a thin compatibility wrapper around google.golang.org/protobuf.

10,077
BSD 3
Used by 12
77Health
Library PyPI

Paramiko

Pure-Python SSHv2 client and server library for secure remote shells, commands, and file transfer.

9,882
LGPL-2.1
Used by 12
56Health
Library npm

react-datepicker

A fully customizable, accessible date and time picker component for React apps.

8,386
MIT
Used by 12
79Health
Library PyPI

APScheduler

Python task scheduler with cron, interval, and one-off triggers, backed by pluggable persistent datastores for distributed job scheduling.

7,668
MIT
Used by 12
50Health
Library npm

decimal.js

An arbitrary-precision Decimal type for JavaScript with full trigonometric support

7,269
MIT
Used by 12
49Health
Library Go

go-sqlmock

A mock sql/driver implementation for Go that simulates database behavior in tests without a real database connection.

6,570
Other
Used by 12
74Health
Library Cargo

BLAKE3

Official Rust implementation of the BLAKE3 cryptographic hash function

6,490
Apache 2.0
Used by 12
71Health
Library PyPI

opencv-python

Pre-built, pip-installable OpenCV bindings that give Python programs full computer vision and image-processing capabilities without compiling from source.

5,431
MIT
Used by 12
84Health
Library npm

chrono-node

A natural language date and time parser for JavaScript and TypeScript, extracting real dates from free-form text like "next Friday at 3pm".

5,294
MIT
Used by 12
73Health
Library Cargo

safetensors

A safe, zero-copy binary format for storing and loading ML tensors without pickle

3,933
Apache 2.0
Used by 12

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