Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
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Commander.js
The complete, battle-tested framework for building Node.js command-line interfaces.
Oxlint
Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.
Clap
The most widely used command-line argument parser for Rust, with both derive and builder APIs.
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.
yargs
The modern, pirate-themed command-line argument parser and command framework for Node.js
minimist
A lightweight, dependency-free argument parser that turns process.argv into a clean options object.
sentry-cli
Official command-line tool for uploading source maps, debug symbols, and managing releases and deploys in Sentry.
colored
The simplest way to add ANSI colors and styles to terminal strings in Rust.
Rspack CLI
The official command-line interface for running Rspack builds, dev servers, and previews.
Ratatui
Rust library for building rich terminal user interfaces and dashboards
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.
portable-pty
Cross-platform Rust API for pseudo-terminals, with runtime-selectable implementations
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
Peggy
Parser generator for JavaScript using parsing expression grammars (PEG)
yargs-parser
The mighty, standalone option parser powering yargs
inquire
A Rust library for building interactive command-line prompts — text, select, multiselect, confirm, date, and password inputs with validation, autocompletion, and theming.
go-shellwords
A Go library that splits shell-style command-line strings into argument slices, honoring POSIX quoting, escaping, and substitution rules.
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.
argparse
A faithful JS port of Python's argparse — sub-commands, auto-generated help, and typed CLI arguments for Node.js.
rpassword
Cross-platform Rust library for securely reading passwords from the terminal.
Deno
Secure-by-default JavaScript and TypeScript runtime built in Rust on V8
moon
A Rust-based build system and monorepo orchestrator that manages toolchains, tasks, caching, and CI pipelines across the JavaScript, TypeScript, and polyglot ecosystem.
Clipanion
A type-safe, dependency-free CLI framework for building nested, typed command-line applications in TypeScript.
cmd_lib
Rust macros for writing shell-script-like tasks without spawning a shell
