# Third-party software

The page in `web/` is built from `web-src/` and bundles:

- **Excalidraw** (`@excalidraw/excalidraw` 0.18.1), MIT License, Copyright (c) 2020 Excalidraw —
  https://github.com/excalidraw/excalidraw — with the libraries it loads on demand (among them
  Mermaid, KaTeX and Cytoscape.js, MIT License).
- **React** and **React DOM**, MIT License, Copyright (c) Meta Platforms, Inc. and affiliates.
- The fonts Excalidraw ships in `web/fonts/` (Excalifont, Virgil, Xiaolai, Nunito, Lilita One,
  Comic Shanns, Cascadia Code, Liberation Sans, Assistant), each under its own licence (SIL Open
  Font License 1.1, or MIT for Comic Shanns); see the Excalidraw repository for their texts.

The MIT License:

> Permission is hereby granted, free of charge, to any person obtaining a copy of this software
> and associated documentation files (the "Software"), to deal in the Software without
> restriction, including without limitation the rights to use, copy, modify, merge, publish,
> distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
> Software is furnished to do so, subject to the following conditions:
>
> The above copyright notice and this permission notice shall be included in all copies or
> substantial portions of the Software.
>
> THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
> BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
> DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.