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The fastest PDF library for Python and Rust. Text extraction, image extraction, markdown conversion, PDF creation & editing. 0.8ms mean, 5× faster than industry leaders, 100% pass rate on 3,830 PDFs. MIT/Apache-2.0.
Password hashing functions / KDFs
Live overlay for drawing, annotating, presenting with zoom, hiding text, and capturing screenshots on Linux. Can be used as whiteboard or blackboard. Packed with features. Highly customisable. Written in Rust.
A cross-platform markdown editor.
Self-hosted web scraper, crawler and document parser for AI agents: URLs, PDFs with OCR and Office files to clean Markdown/JSON. Firecrawl- and Jina-compatible API, MCP server, agent endpoint, Python/Node SDKs. Single Rust binary.
Language server, formatter, and linter for Quarto and other Markdown flavors
Turn any website into clean, structured data: Markdown, metadata and links from one page or a whole site, in every major language.
One app for every document. Built for AI agents. An open-source desktop office suite written in Rust: documents, spreadsheets, slides, PDF, Markdown, code and rich text, opened, edited and saved in one row of file tabs. The same binary is a command line that AI agents call directly.
The Karpathy LLM Wiki pattern, productionized. MCP server that gives Claude a librarian for your Obsidian vault — graph traversal, auto-wikilinks, trigram search.
DuckDB extension for parsing WARC files