Open-Source Licenses
HTMLSuite is built on open-source software. These libraries and fonts run in your browser when you use the tools. Thank you to everyone who maintains them.
Libraries
| Project | Version | License | Used for |
|---|---|---|---|
| Next.js | 16.3.6 | MIT | Website framework |
| React | 19.3.0 | MIT | User interface |
| React DOM | 19.3.0 | MIT | User interface |
| Excalidraw | 0.18.1 | MIT | Online whiteboard |
| PDF.js | 6.4.299 | Apache-2.0 | PDF editor (reading and rendering PDFs) |
| pdf-lib (Cantoo fork) | 2.11.1 | MIT | PDF editor and HTML to PDF (writing PDFs) |
| fflate | 0.8.3 | MIT | Compression inside pdf-lib |
| Mammoth | 1.13.0 | BSD-2-Clause | Word to HTML (.docx conversion) |
| JSZip | 3.10.2 | (MIT OR GPL-3.0-or-later) | Reading .docx files (used by Mammoth) |
| Marked | 18.0.14 | MIT | Markdown editor, viewer and converter |
| yaml | 2.9.1 | ISC | YAML tools |
| Acorn | 8.18.0 | MIT | Parsing code in the live preview to stop infinite loops |
| Terser | 5.51.2 | BSD-2-Clause | JavaScript minifier |
| js-beautify | 2.0.3 | MIT | HTML, CSS and JavaScript formatters |
| SQL Formatter | 15.9.0 | MIT | SQL formatter |
| nearley | 2.20.1 | MIT | Parser used by SQL Formatter |
Python runtime and fonts
| Project | Version | License | Used for |
|---|---|---|---|
| Pyodide | 0.29.5 | MPL-2.0 | Python online compiler (loaded from jsDelivr when you run Python) |
| Excalifont | bundled with Excalidraw | OFL-1.1 | Whiteboard hand-drawn font |
| Virgil | bundled with Excalidraw | OFL-1.1 | Whiteboard hand-drawn font |
| Nunito | bundled with Excalidraw | OFL-1.1 | Whiteboard font |
| Lilita One | bundled with Excalidraw | OFL-1.1 | Whiteboard font |
| Comic Shanns | bundled with Excalidraw | MIT | Whiteboard font |
| Cascadia Code | bundled with Excalidraw | OFL-1.1 | Whiteboard code font |
| Assistant | bundled with Excalidraw | OFL-1.1 | Whiteboard interface font |
| Liberation Sans | bundled with Excalidraw | OFL-1.1 | Whiteboard font (export metrics) |
License texts
The full license text of each project is available from the linked project page. Libraries are only downloaded by the tools that need them — for example, the SQL formatter library loads only on the SQL formatter page.