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

64Health
Library npm

Chalk

The most popular Node.js library for styling terminal string output with ANSI colors.

23,315
MIT
Used by 98
63Health
Framework npm

Commander.js

The complete, battle-tested framework for building Node.js command-line interfaces.

28,391
MIT
Used by 94
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
74Health
Library npm

open

Cross-platform Node.js library that opens URLs, files, and executables in the user's default or a specified app.

3,505
MIT
Used by 47
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
Tool PyPI

Ruff

An extremely fast Python linter and code formatter, written in Rust, built as a drop-in replacement for Flake8, Black, isort, and dozens of plugins.

49,630
MIT
Used by 46
79Health
Framework npm

yargs

The modern, pirate-themed command-line argument parser and command framework for Node.js

11,504
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
41Health
Library npm

strip-ansi

Strips ANSI escape codes from strings — the small, fast utility Node.js later built directly into its own core API.

498
MIT
Used by 31
69Health
Library npm

query-string

Parse and stringify URL query strings in JavaScript with flexible array, number, and boolean handling.

6,906
MIT
Used by 27
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
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
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
43Health
Library Cargo

colored

The simplest way to add ANSI colors and styles to terminal strings in Rust.

2,036
MPL-2.0
Used by 14
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
46Health
Library Cargo

Strum

Derive macros and traits that make Rust enums easier to convert to and from strings

2,443
MIT
Used by 13
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
49Health
Library npm

lz-string

Fast, dependency-free LZ-based string compression for JavaScript and TypeScript

4,433
MIT
Used by 9
37Health
Library npm

fastest-levenshtein

The fastest JavaScript/TypeScript implementation of Levenshtein edit distance

774
MIT
Used by 9
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
87Health
Framework npm

oclif Core

The Node.js framework that powers Salesforce CLI and Heroku CLI, providing flag parsing, help generation, and a plugin system for building CLIs.

316
MIT
Used by 8
28Health
Library npm

mdast-util-to-string

Get the plain-text content of any mdast node in a single function call.

47
MIT
Used by 8

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