QGIS Developer Meeting
A QGIS Developer Meeting is a volunteer-driven event where contributors to the QGIS project from around the world get together in a common space – usually a university campus.
Read more about the event at http://2019.qgis.es/
International QGIS User Conference
The International QGIS User and Developer Conference wants to be the referential conference, and a meeting point for the family of users and developers orbiting around the QGIS project, in order to gather experiences and sharing knowledge about QGIS. The language of the Conference is English.