The Open Geospatial Consortium (OGC) invites software developers to the OGC Tiling Interfaces Code Sprint, to be held online and in-person from June 12-14, 2023, at the Moonshot Labs of the National Geospatial-Intelligence Agency (NGA) in St Louis, Missouri, USA. Participation in the code sprint is free. Registration for in-person participation closes at 5pm EDT on May 10. Registration for remote participation will remain open throughout the code sprint. An OGC Code Sprint is a collaborative and inclusive event to support the development of new applications and open standards, as well as to enable software developers to focus on projects that implement open geospatial standards.