1. Php Pdo Mysql ClassA PHP MySQL PDO class similar to the the Python MySQLdb, which supports iterator and parameter binding when using "WHERE IN" statement.
2. Carbon ForumA high performance open-source forum software written in PHP. Discussions Tags based with Quora/StackOverflow style.
4. Holy LanceA Linux Resource / Performance Monitor based on PHP.
5. Material Design AvatarsCreate material deisgn avatars for users just like Google Messager. It may not be unique but looks better than Identicon or Gravatar.