Licenses and credits

What this site is built with, and the terms each part is used under.

Libraries served from this site

All are hosted here, not loaded from another site. Each licence file is served beside the library.

LibraryUsed forLicence
Bootstrap 5.3.8
© 2011–2025 The Bootstrap Authors
Layout and components MIT · licence text
Font Awesome Free 7.3.1
© Fonticons, Inc.
Icons Icons: CC BY 4.0 · Fonts: SIL OFL 1.1 · Code: MIT · licence text
CMU Pronouncing Dictionary
© 1993–2015 Carnegie Mellon University and contributors
Bounded General American pronunciation lookup CMUdict licence · licence text

Server telemetry libraries

Microsoft Application Insights 3.2.0, © Microsoft Corporation, is used under the MIT license. OpenTelemetry .NET 1.19.1 and its hosting extensions are used under Apache 2.0: license and third-party notices. These server libraries are separate from the browser assets above.

Artwork

The monitor and mascot drawings, the picture-flashcard illustrations, and the style of the page header are the site owner's own artwork, shared with the sister site ThePureLanguage. The lettering on the banner and home-screen icons was set for this site. The icon set is Font Awesome Free, credited above.

Audio

Spoken examples are synthesized with Microsoft Azure Speech and are used under the terms of the paid service. They are not recordings of a person. See About our audio.

Site content

The articles, explanations, word lists and games on this site are original content. All rights reserved for original site content.