OpenTalk is a German video conferencing solution developed by Heinlein Support GmbH (Berlin) with an emphasis on open-source principles, privacy, and data protection. It provides features like breakout rooms, polls, interactive whiteboards, and recording for collaborative meetings. The service operates on servers in German data centers and is fully GDPR-compliant, reflecting OpenTalk’s focus on security and digital sovereignty. OpenTalk is available as both a hosted service and on-premises deployment.