Open Source Packages
Libraries, frameworks, tools, and SDKs used by the apps in this directory — scored the same way as the apps themselves.
All Packages
Kind2
Category
Sort:Used by Most Apps
prettier
An opinionated code formatter that enforces consistent style across every language your project speaks.
typescript-eslint
The official meta-package bundling the TypeScript ESLint parser, plugin, and rule presets behind a single typed config() helper.
Commander.js
The complete, battle-tested framework for building Node.js command-line interfaces.
FastAPI
A modern, high-performance Python web framework for building APIs with automatic validation, serialization, and interactive docs.
Oxlint
Rust-based JavaScript/TypeScript linter that runs 50-100x faster than ESLint, with zero configuration required.
SWC
Rust-based JavaScript/TypeScript compiler, a drop-in super-fast alternative to Babel
yargs
The modern, pirate-themed command-line argument parser and command framework for Node.js
Fastify
A fast and low-overhead web framework for Node.js, built around schema-based validation and a plugin architecture
urfave/cli
A declarative, dependency-free Go package for building fast, friendly command-line tools.
openapi-ts
OpenAPI-to-TypeScript code generator producing production-grade SDKs, Zod schemas, and TanStack Query hooks.
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.
quicktype
Generate strongly-typed models and serializers from JSON, Schema, TypeScript, or GraphQL
Open Policy Agent (OPA)
Open source policy engine for unified authorization and compliance decisions across your stack.
Peggy
Parser generator for JavaScript using parsing expression grammars (PEG)
gojq
A pure Go implementation of jq for querying and transforming JSON and YAML, usable as a CLI or embedded as a Go library.
eslint-plugin-jsonc
ESLint plugin that applies JavaScript-style linting, auto-fixing, and formatting rules to JSON, JSONC, and JSON5 files.
json-render
The Generative UI framework: AI builds real, reliable interfaces from prompts, constrained to components you define.
Flask-RESTX
Flask extension for building fully documented REST APIs with Swagger/OpenAPI out of the box
Clipanion
A type-safe, dependency-free CLI framework for building nested, typed command-line applications in TypeScript.
InversifyJS
A lightweight, decorator-driven IoC container that brings SOLID-friendly dependency injection to TypeScript and JavaScript apps.
api-platform/core
PHP framework for building hypermedia REST and GraphQL APIs from your models
