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Licences and attribution

All external libraries, data and resources used in this app are free for commercial use. Below are the attributions their licences require, plus the terms of the project's own content. The map attribution is also visible in the app itself (map footer and the "Info" tab).

Software

Application code: © turysta.uk. All rights reserved. The code is not released under an open licence.
MapLibre GL JS and PMTiles — BSD-3-Clause (licence copies included in the vendor/ directory).
model-viewer — Apache-2.0 (3D/AR model viewer; bundles three.js under MIT). 3D models of lost objects: © turysta.uk.

Map

Map tiles: OpenFreeMap on © OpenStreetMap contributors data (ODbL 1.0), no API key, free for commercial use. Offline mode uses the Protomaps basemaps schema (BSD-3-Clause); map labels use fonts under the SIL Open Font License 1.1.
Route paths computed with the BRouter engine on OpenStreetMap data — the route geometry files are under ODbL 1.0, © OpenStreetMap contributors.
Area and line outlines on some points (the market square, streets, the lake) come from OpenStreetMap — © OpenStreetMap contributors, ODbL 1.0.

Content and data

Monument descriptions, teasers, quizzes, translations and point coordinates and attributes: © turysta.uk, all rights reserved. Descriptions are original write-ups of facts, not copies of source texts; coordinates were placed by hand on the map. Facts (dates, events, register numbers) are not covered by copyright; each description's sources are listed next to it in the app (the "Sources" section).
Heritage register numbers — public data (National Heritage Board of Poland).

Full licence texts: BSD-3-Clause, Apache-2.0, MIT, ODbL 1.0, SIL OFL 1.1.