We’ve been working for more than 10 years in developing special disk utilities to uninstall applications, clean up a Mac from applications leftovers. A handy cleaner may prove that your Mac is still alive and can actually perform at its best. I also recommend that you look around our site to learn about other online software for small business owners. MacBooster is a well-know tune-up tool from IObit. Kaspersky Internet Security is undoubtedly one of the best antivirus for Mac in 2021.Kaspersky is a globally renowned name in the world of antivirus protection suites. Plus there are countless places where junk accumulates on a hard drive, and those places will be very difficult to find the manual way.