System Utilities

7-Zip

Igor Pavlov

7-Zip is a free, open-source archiver for Windows that compresses and extracts files in 7z, ZIP, TAR, and many other formats. It integrates into Windows Explorer and includes AES-256 encryption for protecting archives.

CrystalDiskMark

Crystal Dew World

CrystalDiskMark measures how fast a drive reads and writes data, using sequential and random access patterns at several queue depths. It is a small, self-contained tool aimed at anyone who wants to check the real throughput of an SSD, hard disk, USB stick, or memory card.