CookieAuth is a simple PHP class, compatible with both PHP3 and PHP4, that permits to add "User-ID and Password" authentication in other projects, using cookies and additional table-field. This class is suitable for any existing MySQL data base.
AQAL makes easy to access data on DBs without know SQL.
It implements Business Object/Manager pattern: Object maps table, builds SQL syntax, carries data; Manager performs queries, handles Objects (conveniently extended by Application Business Objects).