Performance tools
Doctrine entity merger
Add hint MERGE_ENTITY to merge fields retrieved by many queries with PARTIAL.
steevanb/doctrine-entity-merger
PHP backtrace
Show nice equivalent to debug_backtrace(), with caller, code preview etc.
steevanb/php-backtrace
Composer autoload infos
View Composer autoload informations: included files, autoloaded classes etc.
huttopia/composer-autoload-infos
Blackfire
Profile & optimize PHP apps.
blackfire.io