#1627: poland, carrymap, copc
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Polona is the digital library, managed by the National Library of Poland, where you can find the most valuable treasures of Polish culture and history, most of which belong to the public domain and are free to use.
[PL]
https://polona.pl/search/?query=map&filters=public:1 -
CarryMap is a mobile app that allows you to work offline, and you can easily upload maps generated specifically with an ArcGIS extension (free in the educational version)
https://builder.carrymap.com/ -
COPC - Cloud Optimized Point Cloud wants to be the equivalent of COGs for point clouds and thus facilitate the dissemination and consumption of large volumes of data
https://github.com/copcio/copcio.github.io
Raf