(WEB HOST INDUSTRY REVIEW) — Open-source collaboration software provider Open-Xchange ( www.open-xchange.com ) has announced numerous enhancements to its social networking-enabled platform, and making sharing data easier than before. According to the company’s Wednesday announcement, Open-Xchange 6.18 offers more than 100 improvements for email, calendar, address book, document and task management. “We listened to the feedback from users and partners to help make Open-Xchange a central application for digital communication – both personal and business,” Open-Xchange chief executive officer Rafael Laguna said in a statement