Open-source licenses

ShyPDF is built on the work of these open-source projects. Each remains under its own license.

• pdf-lib — Creating and editing PDFs.
  © Andrew Dillon. MIT. License text
• PDF.js — Rendering page previews and images.
  © Mozilla. Apache-2.0. License text
• qpdf — Encryption and decryption, compiled to WebAssembly.
  © Jay Berkenbilt. Apache-2.0. License text
• JSZip — Zip downloads.
  © Stuart Knightley and contributors. MIT (dual-licensed MIT / GPL-3.0; used under MIT). License text
• Inter — Typeface.
  © The Inter Project Authors. SIL Open Font License 1.1. License text
• Astro — Site generator.
  © Astro contributors. MIT. License text

The qpdf WebAssembly build includes zlib and libjpeg. This software is based in part on the work of the Independent JPEG Group.