gmail tracking tool free ?

hello,

can you tell me how can i have "gmass" or 'mixmax' or 'mailshake" or "boomerang" or "gemelius" or "snov" or "yesware" or "hubspot sales" "groove" "pigeon" premium for free ?
or other premium tracking tool but for free
thank you

There are many tools that provide free services like Hubspot and mail tracking, groove. If you want premium packages you should pay.