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Open-source notices

Last updated: July 24, 2026

Werkzeu.ge combines proprietary application code with open-source software. The original authors retain all rights granted by their respective licenses. This page provides a curated overview. Exact package versions and licenses are recorded in the release build inventory.

Application components

  • Next.js, React, Zustand, Zod, Tailwind CSS, Framer Motion, Radix UI, React Hook Form - MIT
  • TypeScript - Apache License 2.0
  • Drizzle ORM, pdf.js, Puppeteer, Tesseract.js, Fuse.js, hls.js - Apache License 2.0
  • pdf-lib, CodeMirror, Excalidraw, Phosphor Icons, ImapFlow, mailparser - MIT
  • Nodemailer - MIT-0
  • mammoth - BSD-2-Clause; qrcode.react - ISC; imagetracerjs - Unlicense
  • ibantools - used under its MIT option; JSZip - used under its MIT option; DOMPurify - used under Apache License 2.0
  • Sentry JavaScript SDK - MIT

Fonts and visual assets

  • OpenDyslexic - MIT/OFL
  • Phosphor Icons - MIT
  • Slot Beauty icon theme - LGPL-2.1-or-later
  • Werkzeu.ge wallpapers are proprietary assets of Cryon UG (haftungsbeschränkt).

FFmpeg WebAssembly

The browser media tools use the MIT-licensed @ffmpeg/ffmpeg wrapper and an LGPL-2.1-or-later FFmpeg core built without GPL-only options.

github.com/ffmpegwasm/ffmpeg.wasm

Games and isolated services

  • Freedoom game data - BSD-3-Clause
  • DOOM WebAssembly engine - GPL-2.0: source
  • Collabora Online CODE - MPL-2.0 and LGPL-3.0-or-later
  • ClamAV - GPL-2.0; Valkey - BSD-3-Clause; PostgreSQL - PostgreSQL License

License texts and source requests

The applicable license texts are included with the relevant packages or linked through their upstream projects. Where a license requires corresponding source or an additional notice and it is not linked above, request it at info@werkzeu.ge. Please name the component and the Werkzeu.ge version you used.