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Achievements

Achievement: Pull Sharkx4Achievement: Starstruckx4Achievement: Galaxy Brainx2Achievement: Pair Extraordinairex4Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx4Achievement: Starstruckx4Achievement: Galaxy Brainx2Achievement: Pair Extraordinairex4Achievement: QuickdrawAchievement: YOLOAchievement: Arctic Code Vault Contributor

Organizations

@typeddjango @snok @grantflow-ai

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Goldziher/README.md

Hey there 🖖

I'm Na'aman Hirschfeld — founder & CEO of kreuzberg.dev, creator of Litestar and Polyfactory. I build polyglot open-source tools, usually with a Rust core and bindings for the languages people actually use in production.

Current Focus

Kreuzberg is my company and main focus: document intelligence, extraction, crawling, and language tooling built around fast Rust cores with broad language support.

Project Stars Description
kreuzberg Stars Document intelligence for 97+ formats with Rust, Python, Node, Go, Java, Ruby, C#, PHP, R, CLI, REST, and MCP support
html-to-markdown Stars High-performance CommonMark-compliant HTML to Markdown conversion
tree-sitter-language-pack Stars 306+ tree-sitter grammars with polyglot bindings
liter-llm Stars Universal LLM client for 142+ providers with 11 native language bindings
kreuzcrawl Stars High-performance web crawling engine with bindings for 11 languages
alef Stars Fully typed, lint-clean language bindings for Rust libraries across 16 languages

Frameworks I Created

Project Stars Description
litestar Stars Light, flexible, extensible ASGI framework built to scale
polyfactory Stars Simple and powerful factories for mock data generation

Developer Tooling

Project Stars Description
ai-rulez Stars AI governance and generated config for Claude, Cursor, Copilot, Codex, Gemini, Windsurf, and more
spikard Stars Rust-powered multi-language web toolkit with bindings for Python, TypeScript, Ruby, and PHP
scythe Stars Polyglot SQL compiler and linter
uncomment Stars Tree-sitter powered comment removal for 306+ languages

Libraries

Project Stars Description
interface-forge Stars TypeScript mock-data factories
fabricator Stars Go factories for mock data generation

Typed Python Contributions

Project Stars Description
django-stubs Stars PEP 484 stubs for Django
djangorestframework-stubs Stars PEP 484 stubs for Django REST Framework

Past Work

Archived projects that still represent substantial previous work.

Project Stars Description
grantflow Stars Archived RAG system for grant applications
basemind.ai Stars Archived AI platform monorepo
devlingo Stars Archived developer language and tooling monorepo

Pinned Loading

  1. kreuzberg-dev/kreuzberg kreuzberg-dev/kreuzberg Public

    A polyglot document intelligence framework with a Rust core. Extract text, metadata, images, and structured information from PDFs, Office documents, images, and 97+ formats. Available for Rust, Pyt…

    Rust 8.4k 497

  2. ai-rulez ai-rulez Public

    Complete AI development workflow for 19+ tools. Builtin rules, agents, and conventions out of the box. Generate native configs for Claude, Cursor, Copilot, Windsurf, Gemini, Codex and more.

    Go 117 11

  3. litestar-org/litestar litestar-org/litestar Public

    Light, flexible and extensible ASGI framework | Built to scale

    Python 8.3k 550

  4. litestar-org/polyfactory litestar-org/polyfactory Public

    Simple and powerful factories for mock data generation

    Python 1.5k 113

  5. kreuzberg-dev/html-to-markdown kreuzberg-dev/html-to-markdown Public

    High performance and CommonMark compliant HTML to Markdown converter. Maintained by the Kreuzberg team. Kreuzberg is a fast, polyglot document intelligence engine with a Rust core. It extracts stru…

    HTML 747 58

  6. kreuzberg-dev/tree-sitter-language-pack kreuzberg-dev/tree-sitter-language-pack Public

    Comprehensive tree-sitter grammar compilation with polyglot bindings — Rust, Python, Node.js, Go, Java, Ruby, Elixir, PHP, C#, WASM, Dart, Kotlin-Android, Swift, Zig, and CLI. 306+ languages.

    Rust 371 58