Maptoolkit (by Toursprung GmbH, Austria) provides a suite of geo APIs for developers. Its services include vector and raster map tiles, geocoding, routing, and search, all designed for easy integration. The platform is built with data privacy in mind: according to the site, Maptoolkit is developed in the EU and fully GDPR-compliant (it does not use tracking cookies). The company offers customization (map styling, overlays) and flexible pricing (including a free tier), positioning itself as a privacy-respecting alternative to major mapping providers.
MapTiler
MapTiler provides a cloud Maps API for developers, with customizable map styles and tools to host and process spatial data, plus location services like geocoding.