Russia: Moscow IT company Urbica is releasing an Open Source PostGIS Mapbox Vector Tiles server suitable for large databases. Martin is the only vector tiles server capable of creating tiles using database functions directly. It solves the problem of working with large geospatial datasets. Martin allows passing parameters from a URL into a user function to filter the features and aggregate the attribute values.
Urbica is an urban data analysis and visualization company from Moscow, Russia. Urbica experiments with data exploration UI/UX, including AR. Urbica works with a number of Russian and international companies: Mapbox, Maps.me, Moscow Department of Transport, Yandex and others.