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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Chalk
The most popular Node.js library for styling terminal string output with ANSI colors.
Cobra
The commander library that powers Kubernetes, Hugo, and GitHub CLI's command-line interfaces.
npm-run-all
A cross-platform CLI that runs multiple npm-scripts in parallel or in sequence, replacing fragile shell operators like && with Windows-safe orchestration.
ipykernel
The IPython kernel that lets Jupyter notebooks, JupyterLab, and other frontends run and interact with Python code.
IPython
A productive interactive Python shell with rich introspection, tab completion, and magic commands.
comfy-table
A minimalistic Rust library for building beautiful, dynamically-wrapped terminal tables
ipywidgets
Interactive HTML widgets for Jupyter notebooks
nbformat
Reference implementation of the Jupyter Notebook JSON format
nbconvert
Convert Jupyter notebooks to HTML, PDF, Markdown, and more
traitlets
A pure Python library that adds typed, validated, observable attributes to your classes, and the layered configuration system built on top of them.
asciichart
A zero-dependency library for rendering line charts as plain ASCII/ANSI text in the console or terminal
jupyter_client
The reference implementation of the Jupyter messaging protocol, giving Python apps sync and async client/kernel-management APIs over ZeroMQ.
terminaltables
Renders ASCII, Unicode box-drawing, and GitHub-flavored Markdown tables in the terminal from nested lists of strings.
colorclass
Cross-platform ANSI color text for Python console apps, with automatic light/dark background detection.