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

92Health
Library npm

undici

A fast, spec-compliant HTTP/1.1 client for Node.js, built from scratch with zero runtime dependencies

7,695
MIT
Used by 70
93Health
Library PyPI

urllib3

A powerful, user-friendly HTTP client for Python with thread-safe connection pooling, TLS verification, and retry handling.

4,058
MIT
Used by 48
68Health
Library npm

proxy-agent

Maps HTTP, HTTPS, SOCKS, and PAC proxy protocols to the correct Node.js http.Agent implementation automatically.

1,161
MIT
Used by 47
90Health
Library npm

Prisma Client

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

47,610
Apache 2.0
Used by 46
59Health
Library npm

ora

An elegant, dependency-light terminal spinner for Node.js command-line apps and scripts.

9,747
MIT
Used by 42
92Health
SDK npm

@clickhouse/client

The official TypeScript client for connecting Node.js applications to ClickHouse over HTTP.

331
Apache 2.0
Used by 38
95Health
Framework PyPI

Transformers

State-of-the-art pretrained models for text, vision, audio, and multimodal inference and training.

165,971
Apache 2.0
Used by 37
95Health
Library PyPI

Datasets

One-line loading and fast, Arrow-backed processing for thousands of ML datasets

21,969
Apache 2.0
Used by 25
81Health
Library PyPI

idna

Internationalized Domain Names for Python — IDNA 2008 and UTS #46 encoding and decoding

294
BSD 3
Used by 25
83Health
Library PyPI

Charset Normalizer

A pure-Python universal charset detector that turns text of unknown encoding into clean Unicode.

794
MIT
Used by 23
84Health
Library npm

http-proxy-middleware

The one-liner Node.js proxy middleware for connect, express, next.js, hono, and more.

11,126
MIT
Used by 20
63Health
Library npm

slugify

Slugify a string with accurate Unicode transliteration for URLs, filenames, and IDs.

2,703
MIT
Used by 20
41Health
Library npm

cli-table3

Pretty unicode tables for the command line, drop-in API-compatible with the original cli-table

635
MIT
Used by 19
48Health
Library npm

forge

A native, pure-JavaScript implementation of TLS and PKI cryptography for building crypto-based Node.js and browser apps.

5,331
Other
Used by 17
87Health
Library Cargo

Tokenizers

Fast, production-grade tokenizer implementations for NLP and LLMs, written in Rust

11,037
Apache 2.0
Used by 16
84Health
Library npm

got

Human-friendly and powerful HTTP request library for Node.js, with retries, streams, pagination, and RFC 7234 caching built in.

14,940
MIT
Used by 15
91Health
Framework Go

Echo

A minimalist, high-performance Go web framework with a radix-tree router, built-in middleware chain, and first-class HTTP/2 support.

32,705
MIT
Used by 13
44Health
Library npm

punycode.js

A robust Punycode converter for internationalized domain names, fully compliant with RFC 3492 and RFC 5891.

1,692
MIT
Used by 12
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
40Health
Library npm

he

A robust, spec-compliant HTML entity encoder and decoder for JavaScript with full Unicode support.

3,597
MIT
Used by 11
84Health
Library PyPI

chardet

Universal character encoding detector for Python with built-in language and MIME type detection.

2,667
Other
Used by 11
78Health
Library npm

Orama

A dependency-free full-text, vector, and hybrid search engine that runs entirely in JavaScript.

10,550
Apache 2.0
Used by 9
37Health
Library npm

fastest-levenshtein

The fastest JavaScript/TypeScript implementation of Levenshtein edit distance

774
MIT
Used by 9
31Health
Library npm

Partial JSON

Parses incomplete JSON strings streamed token-by-token from an LLM into usable JavaScript values as they arrive.

244
MIT
Used by 9

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