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

62Health
Framework npm

Commander.js

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

28,412
MIT
Used by 94
90Health
Tool npm

Oxlint

Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.

22,902
MIT
Used by 70
90Health
Library Cargo

Clap

The most widely used command-line argument parser for Rust, with both derive and builder APIs.

16,725
Other
Used by 56
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.

49,811
MIT
Used by 46
75Health
Framework npm

yargs

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

11,504
MIT
Used by 42
38Health
Library npm

minimist

A lightweight, dependency-free argument parser that turns process.argv into a clean options object.

661
MIT
Used by 20
93Health
Tool npm

sentry-cli

Official command-line tool for uploading source maps, debug symbols, and managing releases and deploys in Sentry.

1,043
Other
Used by 17
43Health
Library Cargo

colored

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

2,039
MPL-2.0
Used by 14
91Health
Tool npm

Rspack CLI

The official command-line interface for running Rspack builds, dev servers, and previews.

12,930
MIT
Used by 12
88Health
Library Cargo

Ratatui

Rust library for building rich terminal user interfaces and dashboards

22,766
MIT
Used by 9
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.

317
MIT
Used by 8
90Health
Library Cargo

portable-pty

Cross-platform Rust API for pseudo-terminals, with runtime-selectable implementations

29,043
MIT
Used by 5
83Health
Tool npm

quicktype

Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL

13,877
Apache 2.0
Used by 5
50Health
Tool npm

Peggy

Parser generator for JavaScript using parsing expression grammars (PEG)

1,180
MIT
Used by 5
69Health
Library npm

yargs-parser

The mighty, standalone option parser powering yargs

520
Other
Used by 5
50Health
Library Cargo

inquire

A Rust library for building interactive command-line prompts — text, select, multiselect, confirm, date, and password inputs with validation, autocompletion, and theming.

2,632
MIT
Used by 4
75Health
Library Go

go-shellwords

A Go library that splits shell-style command-line strings into argument slices, honoring POSIX quoting, escaping, and substitution rules.

577
MIT
Used by 4
81Health
Tool npm

fallow

Rust-native static analysis for TypeScript and JavaScript that finds dead code, duplication, cycles, and architecture drift with no compiler or AI in the loop.

4,929
MIT
Used by 3
74Health
Library npm

argparse

A faithful JS port of Python's argparse — sub-commands, auto-generated help, and typed CLI arguments for Node.js.

512
Other
Used by 3
46Health
Library Cargo

rpassword

Cross-platform Rust library for securely reading passwords from the terminal.

284
Apache 2.0
Used by 3
92Health
Tool Cargo

Deno

Secure-by-default JavaScript and TypeScript runtime built in Rust on V8

108,540
MIT
Used by 2
90Health
Tool npm

moon

A Rust-based build system and monorepo orchestrator that manages toolchains, tasks, caching, and CI pipelines across the JavaScript, TypeScript, and polyglot ecosystem.

4,115
MIT
Used by 2
38Health
Framework npm

Clipanion

A type-safe, dependency-free CLI framework for building nested, typed command-line applications in TypeScript.

1,256
MIT
Used by 2
54Health
Library Cargo

cmd_lib

Rust macros for writing shell-script-like tasks without spawning a shell

1,156
Other
Used by 2

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