3. DbHelper tools for interacting with databases
4. StdAn attempt at a standard library for PHP
5. MoneyA money and currency library for PHP
6. MathArbitrary-precision arithmetic library for PHP
7. DiDependency Injection and IoC framework for PHP
8. reflectionLow-level tools to extend PHP reflection capabilities
9. appWeb application framework for PHP
10. eventAn event dispatching library for PHP