My "Password Manager" is in my brain, where nobody else can see them.
I keep about 50 passwords, each one with 12-16 random chars... my brain is just not up to that...
Go to relentlessimprovement.com, order ortho-mind, alpha-GPC and piracetam. Next, get some pregnolone from healthmonthly.co.uk.
Take the above daily and avoid alcohol and bumps to the head while practicing neurofeedback and meditation.
Long term memory is EASY to enhance.