Zarafa is the leading European provider of open source groupware and collaboration software. The company is headquartered in Delft, the Netherlands. Zarafa’s offices in Stuttgart, Hannover and Belo Horizonte (Brazil) provide local sales and support to more than 250 partners and thousands of customers worldwide. Our core product is the Zarafa Collaboration Platform (ZCP), the leading European open and compatible groupware platform that can be used as a drop-in Microsoft Exchange replacement for email, calendaring, collaboration and tasks. Using instant web meetings and other apps, ZCP is evolving into a full, flexible and future proof collaboration platform. Additionally, Zarafa recently launched Z-Archiver which decreases the need for expensive storage tiers for long-term archiving. Zarafa is acclaimed for its unrivalled expertise in calendar and mobile compatibility.