Attributions and licenses
Audio production tools, speech models and voice-data credits are listed on the AI voices page.
Fonts, icons and website tools
The website serves the following typefaces. Copies of their supplied copyright notices and complete SIL Open Font License 1.1 texts are available with the font files:
| Typeface | Credit | License text hosted on this site |
|---|---|---|
| Literata | Copyright 2017 The Literata Project Authors | Literata OFL |
| Vollkorn | Copyright 2017 The Vollkorn Project Authors; by Friedrich Althausen | Vollkorn OFL |
| Noto Sans | Copyright 2022 The Noto Project Authors | Noto Sans OFL |
| Google Sans | Copyright 2025 The Google Sans Project Authors | Google Sans OFL |
The Google sign-in button uses Google’s supplied logo and HTML/CSS styling, following the Sign in with Google branding guidelines. The Google logo remains Google’s trademark.
Interface icons use Font Awesome Free 7.3.0, by Fonticons, Inc., delivered through cdnjs. Its webfonts use OFL 1.1 and its CSS uses MIT; its SVG/JavaScript icon distribution uses CC BY 4.0. See the Font Awesome Free license. Brand icons identify their respective services and remain subject to their owners’ trademark rights.
The site is generated with Hugo, by the Hugo Authors, under Apache License 2.0. We also acknowledge the libraries and contributors supporting these tools. This page covers the principal reader-facing website resources; it is not a redistributable software bundle or an inventory of every development dependency.
Corrections and attribution requests
For a missing credit or a correction to a source or license, contact [email protected]. Please identify the resource and, where possible, link to the relevant original notice.