ZPLPress uses locally bundled open-source software:

ZPL WASM bridge adapted from zpl-renderer-js 4.0.0 by Fabrizio Bap — MIT (as declared by the npm package)
https://github.com/Fabrizz/zpl-renderer-js

Zebrash v1.38.0 with Labeldesk P–V font and ^FT box fixes by Ingrid AB / Fedir Kryvytskyi — MIT
https://github.com/ingridhq/zebrash
See zebrash-LICENSE in this directory.

pdf-lib 1.17.1 — MIT
https://github.com/Hopding/pdf-lib
See pdf-lib-LICENSE.md in this directory.

The ZPL engine includes the Go runtime, font/image libraries, and barcode implementations.
Additional bundled attribution and license texts are in engine-LICENSES.txt.

The renderer and PDF libraries are served by this website. Label data is processed
on the user's device, not sent to any of the projects above.