Web Contact Manager (WCM) manages contacts, maps, imports and exports to Microsoft Outlook® and Excel®. WCM supports multiple users, with permissions and has a research component to assist in tracking down lost friends. It's based on PHP and mySQL. Recent updates focused on newer versions of PHP and transitioning to mysqli.
v1.5.1 Is a series of maintenance updates - minor defect corrections, minor layout changes. As this is not a packaged release, you can get this from the Code tab....