Open source
Software, fonts and data used
This site and the apps use the following open-source parts. The site serves its parts itself, not from third parties.
Software
| Name | Version | Licence |
|---|---|---|
| supabase-js (with auth-js, postgrest-js, realtime-js, storage-js, functions-js, phoenix) | 2.115.0 | MIT |
| tslib, iceberg-js (bundled in supabase-js) | 2.8.1 / 0.8.1 | 0BSD / MIT |
| Kotlin standard library, kotlinx.coroutines, kotlinx.serialization (Android and iPhone apps) | 2.4.20 / 1.10.2 / 1.8.0 | Apache-2.0 |
| Ktor client (Android and iPhone apps, for sync) | 3.1.3 | Apache-2.0 |
| AndroidX Activity, Core and Lifecycle; Jetpack Compose with Material 3 (Android app) | Compose BOM 2026.02.01 | Apache-2.0 |
Fonts
| Name | Version | Licence |
|---|---|---|
| Bricolage Grotesque (via Fontsource) | 5.3.0 | SIL Open Font License 1.1 |
| Source Sans 3 (via Fontsource) | 5.3.0 | SIL Open Font License 1.1 |
Data
Book data from Google Books (Google LLC) and Open Library (Internet Archive, public domain CC0). Covers are shown from there and belong to their publishers and artists. Kindle and Amazon are trademarks of Amazon.com, Inc. or its affiliates; Google Play Books is a Google service; Apple Books is an Apple service (prices from Apple's iTunes Search API).
Licence texts are included with the files in the site's assets folder.