IceWarp

Hetzner Online is a German internet service provider based in Gunzenhausen, offering powerful hosting products and reliable IT infrastructures to private and business customers since 1997.

Proton Mail is an encrypted email service from Switzerland, offering top-level data security and complete privacy protection.

alfaview is a video conferencing and virtual event platform focused on secure, scalable online meetings, webinars, and hybrid events. Main features: high‑quality video and audio, large meeting rooms and breakout spaces, real‑time screen sharing and collaborative whiteboards, webinar and streaming modes, participant management and role permissions, selectable recording and playback, GDPR‑compliant data handling and hosting options in Europe, and integrations/APIs for enterprise use. Benefit: enables reliable, privacy‑conscious online collaboration and events for businesses, educational institutions, and conferences with tools for engagement and large‑scale participation.

Boo is a privacy‑centric real‑time messaging and voice platform for communities and gaming. Main features: low‑latency voice channels and group calls, text chat and threaded conversations, end‑to‑end or strong transport encryption options, simple server and role management for moderators, lightweight client for web and mobile, and integrations with community tools and bots. Benefit: provides clear, fast voice communication and moderated community chat with privacy‑minded defaults and easy integration for community operators.

Clever Cloud is a cloud hosting platform that provides developers with tools to deploy, manage, and scale applications effortlessly. It offers a range of services, including automatic scaling, continuous integration, and monitoring, allowing users to focus on coding without worrying about infrastructure management. With a user-friendly interface and support for various programming languages, Clever Cloud is designed to simplify the development process and enhance productivity for teams and individual developers.

Collabora Online is an enterprise-ready, open-source online office suite based on the LibreOffice technology stack. The platform provides real-time collaborative editing for word processing documents, spreadsheets, presentations, and vector graphics directly within standard web browsers. Designed for high document fidelity and broad file format support—including Microsoft Office (.docx, .xlsx, .pptx) and OpenDocument formats (.odt, .ods, .odp)—it can be deployed on-premise or within sovereign cloud infrastructures. Through standardized WOPI integrations, Collabora Online embeds seamlessly into enterprise content platforms such as Nextcloud, ownCloud, SharePoint, and custom cloud environments while maintaining strict data control and compliance.