The Sentinel-2 L1C dataset provides a global coverage of the Earth's land surface every 5 days. The data (grid zone designator, latitude, satellite imagery) are available from June 2015 (globally) and are organized per tiles using the military grid system.
Geospatial / Satellite Data
The OpenSky Network provides open access of real-world air traffic control data to the public. The OpenSky Network consists of a multitude of sensors connected to the Internet by volunteers, industrial supporters, and academic/governmental organizations. All collected raw data is archived in a large historical database. The Network offers an aircraft database, historical database, and live API.