The Deep Dive explores pretix, a versatile open-source ticketing software designed for a wide range of events, from conferences to festivals. pretix offers an all-in-one solution, integrating online shops, backend systems, and third-party ticket outlets, simplifying event management. Its key differentiators include being free and open-source, ensuring transparency and control, and avoiding vendor lock-in. The active community of contributors on GitHub, with over 362 contributors, ensures continuous improvement. pretix prioritizes privacy and security, being ISO 27001 certified, and offers customization and extensibility through plugins and APIs. It supports multiple languages and integrates various functionalities like payment processing, check-in systems, and marketing tools. pretix also provides additional services like pretix Lead for exhibitors and Venueless for virtual events, making it a comprehensive ecosystem for event management. The software has been successfully used in thousands of events, receiving positive feedback for its usability and reliability. For those interested in self-hosting or contributing, detailed documentation and community support are available. The success of pretix raises questions about the potential of open-source models to disrupt other industries.This episode discusses Sync and Server, a platform designed to give users control over their digital lives. It emphasizes data sovereignty, allowing users to store, share, and sync files on their own terms. The platform is open-source, ensuring transparency and community-driven improvements. It offers robust security features, including strong encryption and a principle of least privilege, to protect user data. Sync and Server provides a user-friendly interface with collaborative spaces, granular permissions, and integrations with existing tools. It supports real-time collaborative editing, full-text search, activity tracking, and file locking. The platform is scalable, suitable for individuals and large organizations, and aims to empower users with control over their digital data. The document concludes by encouraging users to explore Sync and Server for enhanced data privacy and security. https://pretix.eu/