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
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Click
A composable Python toolkit for building command line interfaces with minimal boilerplate.
rich
A Python library for rendering rich text, tables, progress bars, and syntax-highlighted code in the terminal.
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.
tqdm
A fast, extensible progress bar for Python loops and CLI pipelines, with negligible overhead.
Typer
Typer is a Python library for building CLI applications, using type hints to generate arguments, options, validation, help text, and shell completion automatically.
urfave/cli
A declarative, dependency-free Go package for building fast, friendly command-line tools.
MkDocs
A fast, simple static site generator for building project documentation from Markdown with a single YAML config file.
verdaccio
A lightweight, zero-config-required private npm registry with built-in caching and proxying of public registries.
Sphinx
A documentation generator that turns reStructuredText or Markdown sources into polished HTML, PDF, EPUB, and more.
Pulumi
Infrastructure as Code in your favorite programming language, powered by a shared multi-language deployment engine.
json2csv
Convert JSON arrays into CSV strings and files with configurable fields, formatters, and streaming parsers for Node.js.
jsonschema
A compliant, dependency-light Go library for compiling and validating JSON Schema across five draft versions, with rich hierarchical errors.
IPython
A productive interactive Python shell with rich introspection, tab completion, and magic commands.
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.
Poetry
Poetry is a dependency management and packaging tool for Python that resolves, locks, and installs project dependencies through a single pyproject.toml file.
Textual
The Python framework for building sophisticated terminal and web user interfaces with a simple, async-native API.
node-bunyan
A simple and fast JSON logging library for Node.js services, paired with a CLI for pretty-printing structured logs.
gojq
A pure Go implementation of jq for querying and transforming JSON and YAML, usable as a CLI or embedded as a Go library.
DDGS
A Python metasearch library that aggregates text, image, video, news, and book results from ten-plus web search backends through one unified API.
yaml.js
Standalone JavaScript YAML 1.2 parser and encoder for Node.js and browsers, with yaml2json and json2yaml command-line tools.
toxiproxy
A TCP proxy for injecting network and system failures to test how applications handle unreliable dependencies.
gdown
Download public Google Drive files and folders when curl or wget fail
moon
A Rust-based build system and monorepo orchestrator that manages toolchains, tasks, caching, and CI pipelines across the JavaScript, TypeScript, and polyglot ecosystem.
