These are too numerous to mention and all claiming to be "the best" - if you protect your computer in the first place and continue to do so you will have no need for so called "repair tools".
You need a good Firewall, Anti Virus, and Anti Malware.
The Evil Within 2 review-in-progress
Adobe shows still-in-development tools, including automatically colourising black-and-white photos
iPhone X news: Release date, price, new features & specs
Comment transformer un iPhone en borne Wi-Fi ?