Performance tools
Doctrine read only hydrator
Add SimpleObject and ReadOnly hydrators do Doctrine (3,5x faster).
steevanb/doctrine-read-only-hydrator
Symfony container introspection
View Symfony Container instantiated services, public / private services etc.
steevanb/symfony-container-introspection
Composer overload class
Allow to overload autoloaded classes, to include your files instead of supposed ones.
steevanb/composer-overload-class
Blackfire
Profile & optimize PHP apps.
blackfire.io