File synchronization software for comparison and updating.
Use two Windows Explorer windows for easier file management.

Utility for PDF documents that allows you to merge, split, group, protect, clean metadata, insert and extract pages.
Tool for copying/backing up files with advanced options.
Portable tool that allows you to rename multiple files at the same time, following customized criteria.
Hard drive diagnostic software for Windows, with testing, health, performance, and detailed information in a user-friendly interface.