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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markdown-it-py
A CommonMark-compliant Markdown parser for Python, ported from the JS markdown-it
Polars
Blazingly fast multi-threaded DataFrame library built in Rust with Python, Node.js, and R bindings
showdown
A bidirectional Markdown-to-HTML and HTML-to-Markdown converter for JavaScript, usable in Node or the browser.
Markdown
The reference Python implementation of John Gruber's Markdown, with a pluggable extension system for converting text to HTML.
html2text
Converts HTML into clean, readable Markdown-formatted plain text, as both a Python library and a CLI tool.
Apache DataFusion
The extensible, Arrow-native SQL and DataFrame query engine for building fast analytical systems in Rust.
MyST Parser
An extended CommonMark-compliant Markdown parser with first-class bridges to docutils and Sphinx.
EasyMDE
An embeddable, drop-in JavaScript Markdown editor with a customizable toolbar, live syntax styling, autosaving, and built-in spell checking.
remarkable
A fast, CommonMark-compliant Markdown parser for JavaScript with a pluggable, rule-based rendering pipeline.
ConnectorX
The fastest, most memory-efficient way to load data from databases into Python and Rust DataFrames.