For those of us who have a non-Apple SSD in the Mac, it is very important to be able to activate the TRIM, since it lengthens the life of the hard drive considerably and also improves performance under certain conditions. Apple incomprehensibly only activates it for its discs, but the apps 3rd Party they are there to fix it.
TRIM Enabler works very simply but effectively, since it activates TRIM support whatever our SSD hard drive is with a simple mouse click.
Of course, a warning: if you have used the first version of this app and you have TRIM activated, do not use it because it can cause problems.
Download | TRIMEnabler 2.0