Apps Related to Events

Sunbird was a standalone calendar application and also a Firefox extension developed by Mozilla, designed for managing events, tasks, and calendar synchronization. It aimed to provide a free and open-source solution for personal and professional scheduling needs.

KOrganizer is a comprehensive calendar and scheduling application, part of the integrated KDE Kontact suite. It provides robust tools for managing events, tasks, and deadlines, with extensive connectivity options and customization.

BuddyCloud is a secure and decentralized messaging and social networking platform designed for both individual users and organizations. It provides a rich set of tools for real-time communication, group discussions, and content sharing, prioritizing privacy and user control.

Libertree is a free, libre, and open-source software platform designed to empower individuals and groups to create their own decentralized social networks. It offers a comprehensive suite of communication and community-building tools, prioritizing user control, privacy, and freedom of expression.

Friendica is a decentralized, open-source social network platform designed for users who value privacy, customization, and control over their online social interactions. It allows individuals to host their own servers and connect with the broader fediverse.

Kolab Community is a comprehensive, free, and open-source groupware suite designed for collaborative work. It provides integrated email, calendar, contacts, and tasks functionalities, empowering individuals and teams to communicate and manage their data efficiently and with a strong focus on data privacy.

Hubzilla is a comprehensive platform for building decentralized, interconnected websites with a focus on identity, privacy, and communication. It provides tools for social networking, content publishing, and secure interactions across the federated web.