Open Source Acknowledgments

Core Framework

Package	License	Description
Next.js	MIT	React framework for server-rendered applications.
React	MIT	JavaScript library for building user interfaces.
TypeScript	Apache-2.0	Typed superset of JavaScript.
Tailwind CSS	MIT	Utility-first CSS framework.
Prisma	Apache-2.0	Database ORM for Node.js and TypeScript.

UI Components & Design

Package	License	Description
shadcn/ui	MIT	Beautifully designed UI components built with Radix and Tailwind CSS.
Radix UI	MIT	Unstyled, accessible UI component primitives.
Lucide React	ISC	Icon library.
Framer Motion	MIT	Animation library for React.
cmdk	MIT	Command menu component.
Sonner	MIT	Toast notification component.
Recharts	MIT	Charting library built with React and D3.
React Day Picker	MIT	Date picker component for React.
React Virtuoso	MIT	Virtual list component for React.
@dnd-kit	MIT	Drag and drop toolkit for React.

Data & State Management

Package	License	Description
Zod	MIT	TypeScript-first schema validation.
React Hook Form	MIT	Performant form library for React.
Zustand	MIT	Lightweight state management for React.
date-fns	MIT	Modern date utility library.

Content Processing & Rendering

Package	License	Description
React Markdown	MIT	Markdown renderer for React.
remark-gfm	MIT	GitHub Flavored Markdown support.
remark-math / rehype-katex	MIT	Math equation rendering with KaTeX.
KaTeX	MIT	Fast math typesetting library.
Shiki	MIT	Syntax highlighter powered by TextMate grammars.
Mermaid	MIT	Diagram and chart rendering from text.
Mammoth	BSD-2-Clause	Converts .docx files to HTML.
jsPDF	MIT	PDF generation library.
JSZip	MIT	Create and read ZIP files.
DOMPurify	Apache-2.0	XSS sanitizer for HTML.

Infrastructure & Services

Package	License	Description
Sharp	Apache-2.0	High-performance image processing. Uses libvips (LGPL-3.0) internally.
PostHog JS	MIT	Product analytics SDK.
Stripe JS / Node	MIT	Payment processing SDK.
@huggingface/transformers	Apache-2.0	Machine learning inference for reranking.
Resend	MIT	Transactional email SDK.
Clerk	MIT	Authentication and user management SDK.

Fonts

Font	License	Usage
Inter	SIL Open Font License 1.1	Primary UI typeface.
JetBrains Mono	SIL Open Font License 1.1	Monospace typeface for code display.

LGPL Notice

kowerk uses the Sharp image processing library, which depends on libvips (licensed under LGPL-3.0-or-later). libvips is used as a dynamically linked library and has not been modified. The source code for libvips is available at its GitHub repository linked above.