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

69Health
SDK npm

OpenTelemetry Google Cloud Trace Exporter

Sends OpenTelemetry spans from Node.js applications straight to Google Cloud Trace over gRPC.

89
Apache 2.0
Used by 4
48Health
Library npm

postcss-prefixwrap

A PostCSS plugin that wraps every CSS rule in a container selector to scope styles safely.

83
MIT
Used by 4
27Health
Library npm

is-localhost-ip

Checks whether a hostname or IPv4/IPv6 address resolves to the local machine or a private network

27
MIT
Used by 4
92Health
Framework npm

CopilotKit

React hooks and providers for building AI copilots with shared state, generative UI, and human-in-the-loop workflows.

37,348
MIT
Used by 3
42Health
Library npm

request-promise

A Bluebird-powered Promise wrapper around the request HTTP client for Node.js — deprecated since 2020 along with request itself.

4,714
Other
Used by 3
42Health
SDK npm

chrome-remote-interface

A Node.js client for the Chrome DevTools Protocol, exposing every browser command, event, and type as a plain JavaScript API.

4,553
MIT
Used by 3
56Health
SDK npm

GramJS

Full-featured MTProto client for building Telegram user bots and apps in Node.js and browsers

1,764
MIT
Used by 3
54Health
Library npm

envalid

Type-safe environment variable validation and cleanup for Node.js and Bun with zero runtime dependencies.

1,591
MIT
Used by 3
48Health
Library npm

express-fileupload

Simple Express middleware for handling multipart file uploads

1,558
MIT
Used by 3
53Health
SDK PyPI

github3.py

A comprehensive, actively developed Python wrapper around GitHub's REST API v3.

1,257
BSD 3
Used by 3
59Health
Library npm

@nestjs-modules/mailer

A NestJS module that wraps Nodemailer with templates, queues, and DI-friendly config

911
MIT
Used by 3
56Health
Library npm

node-tree-sitter

Node.js bindings to the tree-sitter incremental parsing library for building and querying syntax trees.

875
MIT
Used by 3
61Health
Library npm

webdav-client

Promise-based TypeScript WebDAV client for Node.js, browsers, and React Native.

817
MIT
Used by 3
76Health
SDK npm

cloudinary

Node.js SDK for uploading, transforming, optimizing, and managing images and videos on Cloudinary.

666
MIT
Used by 3
34Health
Library npm

node-http-status

TypeScript utility mapping HTTP status codes to names, messages, and classes, with ESM and CommonJS support.

482
BSD 3
Used by 3
33Health
Library npm

ansi-colors

Fast, zero-dependency ANSI color and style helpers for terminal text

454
MIT
Used by 3
58Health
Library npm

libsql

A better-sqlite3 compatible driver for libSQL, running local, remote, and embedded-replica databases

335
MIT
Used by 3
37Health
Library npm

urlpattern-polyfill

A polyfill that brings the standard URLPattern web API to browsers and Node.js runtimes that don't yet support it natively.

296
MIT
Used by 3
62Health
Library npm

isBinaryFile

Detects whether a file or buffer is binary or text in Node.js, similar to Perl's -B switch, with encoding hints for accurate UTF-16, Latin-1, and CJK detection.

176
MIT
Used by 3
84Health
SDK npm

mailersend-nodejs

Official Node.js/TypeScript SDK for sending transactional email, SMS, and WhatsApp messages through the MailerSend API.

175
MIT
Used by 3
78Health
Library npm

node-ical

A feature-rich RFC 5545 iCalendar/ICS parser for Node.js with robust RRULE recurrence expansion, timezone handling, and exception-date support.

170
Apache 2.0
Used by 3
42Health
Library npm

check-disk-space

A lightweight, dependency-free way to check free and total disk space on Windows, macOS, and Linux from Node.js.

110
MIT
Used by 3
30Health
Library npm

byte-size

Converts a numeric bytes value into a human-readable string like '3.5 kB', with metric, IEC, and fully custom unit support.

89
MIT
Used by 3
29Health
Library npm

zod-error

Formats Zod validation issues into a single, fully customizable error message string.

56
MIT
Used by 3

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