Licenses

futatoki.app is built with other people's work, and some of it is served to your browser along with the site. Everything below travels with it.

Fonts

The digits on the printable clock faces are drawn with a font served from this same domain, so no request ever leaves for a font CDN. Your browser also embeds it into every PDF it generates here. It is a modified version, licensed under the SIL Open Font License 1.1 — cut down to the digits the clock faces draw and renamed, so it should not be mistaken for the original.

• Nunito — digits 0-9 subset out of the variable font at weights 700 and 900, renamed to “Futatoki Western Digits”
  Copyright 2014 The Nunito Project Authors (https://github.com/googlefonts/nunito)
  Full SIL Open Font License 1.1 text · https://github.com/googlefonts/nunito

Software

These build the pages, or run in your browser as you read them. All are licensed under the MIT License.

• Astro — site framework, together with its official @astrojs/mdx, @astrojs/sitemap and @astrojs/solid-js integrations; its island-hydration runtime ships with the pages
  Copyright (c) 2021 Fred K. Schott
  https://github.com/withastro/astro
• SolidJS — UI runtime for the interactive parts (live clock, clock-face print form)
  Copyright (c) 2016-2025 Ryan Carniato
  https://github.com/solidjs/solid
• Tailwind CSS — generates the stylesheet served with the pages
  Copyright (c) Tailwind Labs, Inc.
  https://github.com/tailwindlabs/tailwindcss
• PDFKit — builds the clock-face PDFs inside your browser; served as /vendor/pdfkit.standalone.js
  Copyright (c) 2014 Devon Govett
  https://github.com/foliojs/pdfkit

MIT License

Applies to each of the works listed above, under its own copyright notice.

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.

Apache License 2.0

• BudouX — phrase-boundary line breaking for Japanese and Chinese headings
  Copyright 2021 Google LLC
  https://github.com/google/budoux
• Brotli decoder — decompresses WOFF2 font data inside the PDFKit bundle
  Copyright 2013 Google Inc.
  https://github.com/google/brotli

Full Apache License 2.0 text. Neither work is modified here; both are served as published.

Inside the PDFKit bundle

/vendor/pdfkit.standalone.js is a browser build, so it carries its own dependencies: fontkit, linebreak, png-js and other MIT-licensed libraries, the Brotli decoder listed above, Browserify's shims for the Node core modules (MIT, Copyright Joyent, Inc. and other Node contributors, and Copyright (c) 2009 Thomas Robinson <280north.com>), tslib (Copyright (c) Microsoft Corporation), and the Adobe core-14 AFM font metrics (Copyright (c) Adobe Systems Incorporated). Each of those notices sits inline in the bundle file itself and is served with it.

Not third-party

The screenshots, clock faces, worksheets and other downloads on this site are the project's own — their terms are on the materials page. The app itself is MIT-licensed with its own NOTICE for names, logos and the clock-face visual design.

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