File Management

Free and open-source synchronization software for Windows, Linux and Mac.

for many purpuse

Open source local network utility written in C# using .NET 4 by the author of RaptorDB.

Simple NirSoft tool that monitors a folder or disk and lists every filename that is being modified, created, or deleted. Free for personal use.

GUI is the nicest (easiest to use) for making quick changes. Works on Windows 10.

Rclone - "rsync for cloud storage" is a command line program written in Go to sync files for a plethora of cloud storage providers.

One of the best. Alternative: Syncthing

zsh includes a zmv function that is very handy for copying or moving files in bulk.