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
Tool npm

@vitejs/plugin-basic-ssl

A Vite plugin that generates a self-signed certificate so your dev and preview servers can run over HTTPS with zero setup.

516
MIT
Used by 8
92Health
Library npm

immutable-js

Persistent immutable List, Map, Set, and Stack collections for JavaScript with structural sharing.

33,030
MIT
Used by 7
55Health
Library npm

superagent

A small, progressive HTTP request library for Node.js and browsers with a single fluent, chainable API on both platforms.

16,637
MIT
Used by 7
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
71Health
Library Go

Gofakeit

A zero-dependency Go library with 310+ functions for generating random fake data, from single values to fully populated structs.

5,386
MIT
Used by 7
72Health
Library Cargo

ureq

A simple, safe, blocking HTTP client for Rust with minimal dependencies.

2,190
Apache 2.0
Used by 7
50Health
Library npm

follow-redirects

A drop-in replacement for Node's http and https modules that transparently follows redirects with zero runtime dependencies.

580
MIT
Used by 7
90Health
Library PyPI

multidict

A fast dict-like multi-value mapping for HTTP headers and URL query strings, with a C-accelerated backend and a pure-Python fallback.

492
Apache 2.0
Used by 7
74Health
Library Go

certmagic

Automatic HTTPS for Go programs — the production-grade ACME client library that powers Caddy, obtaining and renewing TLS certificates with zero manual cert management.

5,598
Apache 2.0
Used by 6
63Health
Library npm

set-cookie-parser

Parse raw Set-Cookie header values into structured JavaScript cookie objects

197
MIT
Used by 6
43Health
Library Go

gock

Versatile HTTP traffic mocking for Go, intercepting any net/http-based client for deterministic tests.

2,217
MIT
Used by 5
50Health
Library npm

configstore

Easily load and persist config without having to think about where and how it's stored on disk.

891
Other
Used by 5
52Health
SDK npm

@neondatabase/serverless

Neon's serverless PostgreSQL driver for JavaScript and TypeScript, built for edge and serverless runtimes using HTTP and WebSockets instead of raw TCP.

548
MIT
Used by 5
52Health
Library npm

on-headers

Fire a listener right before a Node.js HTTP response writes its headers.

162
MIT
Used by 5
95Health
Library npm

Plotly.js

Open-source JavaScript charting library for interactive, publication-quality graphs and dashboards

18,329
MIT
Used by 4
46Health
Library npm

emojibase

Lightweight, spec-compliant emoji datasets, regex patterns, and utility functions

623
MIT
Used by 4
91Health
Framework PyPI

LlamaIndex

The leading data framework for building LLM applications over your own data.

52,160
MIT
Used by 3
96Health
Framework PyPI

Apache Airflow

Programmatically author, schedule, and monitor data workflows as Python-defined DAGs.

46,854
Apache 2.0
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
58Health
Library PyPI

glom

Declarative nested data access, validation, and restructuring for Python, with readable errors and a built-in CLI.

2,163
BSD 3
Used by 3
76Health
Library npm

react-plotly.js

React component wrapper for Plotly.js interactive charts and graphs

1,096
MIT
Used by 3
50Health
Library npm

react-papaparse

React hooks and components wrapping PapaParse for fast in-browser CSV parsing

381
MIT
Used by 3
41Health
Library npm

get-stream

Consume a Node.js or web stream into a string, Buffer, ArrayBuffer, or array

357
MIT
Used by 3
32Health
Library npm

crc-32

A dependency-free JavaScript library for computing standard CRC-32 and CRC-32C checksums in Node.js and browsers.

351
Apache 2.0
Used by 3

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