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

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
90Health
Library npm

Prisma Client

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

47,610
Apache 2.0
Used by 46
50Health
Library npm

pdf-lib

Create and modify PDF documents in any JavaScript environment, from Node to the browser

8,630
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
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
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
39Health
Library npm

cookies-next

Get, set, and delete cookies with one API across Next.js client, server, and edge contexts

766
MIT
Used by 3
36Health
Library npm

node-xml

A fast, minimal JavaScript object-to-XML string builder for Node.js projects.

283
MIT
Used by 3
34Health
SDK npm

sns-payload-validator

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

13
MIT
Used by 3
62Health
Library PyPI

alembic-postgresql-enum

Alembic autogenerate support for creating, altering, and deleting PostgreSQL enum types automatically.

344
MIT
Used by 2
47Health
Library PyPI

makefun

Dynamically create Python functions with a proper, correct signature for decorators and generators.

135
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
55Health
Library npm

nookies

A lightweight set of cookie helpers for parsing, setting, and destroying cookies in Next.js apps, on both server and client.

2,353
MIT
Used by 1
80Health
Library npm

accesscontrol

Role- and attribute-based access control (RBAC + ABAC) for Node.js, with enforced ownership, conditions, and require() gates.

2,329
MIT
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
53Health
Library Cargo

mail-builder

A flexible, dependency-light Rust library for building RFC 5322 compliant, MIME-encoded email messages.

82
Other
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