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

Prisma Client

Auto-generated, type-safe database client for Node.js and TypeScript.

47,610
Apache 2.0
Used by 46
73Health
Library npm

Mammoth.js

Convert Word .docx documents into clean, semantic HTML and Markdown in JavaScript.

6,300
Other
Used by 25
53Health
Library PyPI

python-docx

Create, read, and update Microsoft Word .docx files programmatically in Python.

5,718
MIT
Used by 15
42Health
Library npm

GSAP

The industry-standard JavaScript animation library for tweening CSS, SVG, canvas, and UI with rock-solid cross-browser reliability.

28,405
Other
Used by 11
55Health
SDK npm

msgraph-sdk-javascript

Official Microsoft Graph JavaScript SDK for calling the Graph API from Node.js and the browser.

833
MIT
Used by 8
72Health
Library npm

officeParser

Parse Office documents into a rich AST and generate Markdown, HTML, PDF, or RAG chunks

539
MIT
Used by 8
94Health
Library npm

gridstack.js

A dependency-free TypeScript library for building draggable, resizable, responsive dashboard grid layouts in the browser.

9,115
MIT
Used by 7
56Health
Library Cargo

unicode-segmentation

Split Rust strings into grapheme clusters, words, and sentences per Unicode UAX #29

674
Other
Used by 7
87Health
Library PyPI

confluent-kafka-python

High-performance Python client for Apache Kafka, built on librdkafka with Producer, Consumer, AdminClient, and Schema Registry support.

509
Apache 2.0
Used by 7
69Health
Library npm

docx

Generate and modify Microsoft Word .docx files with a declarative JS/TS API in Node or the browser.

5,903
MIT
Used by 5
40Health
Library npm

random-words

Generate random common English words for placeholder text, testing, and mock data generation.

255
MIT
Used by 5
85Health
SDK PyPI

notion-client

A simple, fully-featured Python client for the official Notion API, with sync and async support.

2,182
MIT
Used by 4
34Health
SDK npm

sns-payload-validator

Verifies AWS SNS message signatures for HTTP/S and Lambda payloads.

13
MIT
Used by 3
84Health
Library Composer

PHPWord

A pure-PHP library to read and write word processing documents in DOCX, ODT, RTF, HTML, and more.

7,588
Other
Used by 2
46Health
Library npm

d3-cloud

A canvas-based word cloud layout engine for JavaScript, arranging words by size with spiral collision detection and optional rotation.

3,952
BSD 3
Used by 2
70Health
Library npm

lightGallery

A modular, responsive lightbox gallery plugin for images and video, with official React, Vue, and Angular wrappers.

7,053
GPL 3.0
Used by 1
49Health
Library npm

jsts

JavaScript port of the Java JTS Topology Suite for spatial predicates, geometry operations, and OGC Simple Features processing.

1,562
Other
Used by 1
65Health
SDK Composer

Gotenberg PHP

The official PHP client for the Gotenberg document-conversion API.

397
MIT
Used by 1
33Health
Library npm

uWrap

A 10x faster, kerning-aware Canvas2D text wrapping library in under 2KB minified.

319
MIT
Used by 1
35Health
Library npm

leo-profanity

A zero-dependency profanity filter for JavaScript and TypeScript with multi-language dictionary support.

74
MIT
Used by 1

Join founders buildingwith open source

Opinionated takes, migration guides, cost-saving tips, and insights from the open source ecosystem.

Subscribe on Substack
Join 750+ subscribers