phpFox

phpFox is the application that allows easy updating activities into the phpFox community as well as to share their items. It also allows you to manage many modules such as events, photos, blogs, music, polls, quizzes, member, and email. It's free and always will be.
Enter server address "https://v4-ultimate.phpfox.com" to access the demo site.
Demo account: phpfoxtest1@phpfox.com / 123456