Cronofy - Unified Calendar API for developers
Egnyte - Enterprise File Sharing
ApPHP Calendar - ApPHP Calendar is a PHP calendar script that may be easily integrated and used with various PHP projects, such as schedulers, event, etc.
ManageEngine ADAudit - ManageEngine ADAudit is a real-time windows active directory auditing tool.
Calendarix - Calendarix is a powerful and easy to use web-based calendar that runs on PHP and MySQL.
StealthAUDIT Management Platform - STEALTHbits Technologies is a leader in the Microsoft Infrastructure and Application Management space, with solutions for Data Access Governance, Identity Access Management, Active Directory, and more.