・Tabbed File and Tag Management Software
Tablacus Explorer
https://tablacus.github.io/explorer.html
XYplorer Professional Edition
https://www.xyplorer.com/
Total Commander
https://www.ghisler.com/

・File & Disk Space Management
WizTree Enterprise
https://www.diskanalyzer.com/
TreeSizeProfessional
https://www.jam-software.com/treesize

・File and Folder Search Software
Everything
https://www.voidtools.com/
EverythingToolbar
https://github.com/stnkl/EverythingToolbar/releases

・Document Content Full-Text Search Software
AnyTXT Searcher
https://anytxt.net/

・File and Folder Synchronization Software
FreeFileSync
https://freefilesync.org/

・High Speed File Copy Software
FastCopy
https://fastcopy.jp/

・Renaming Software
Flexible Renamer
https://www.vector.co.jp/soft/winnt/util/se131133.html
LiName
https://www.vector.co.jp/soft/winnt/util/se429883.html
ReNamer Pro
https://www.den4b.com/products/renamer

・Duplicate File Removal Software
AikoWin
https://www.vector.co.jp/soft/win95/util/se057348.html
AllDup
https://www.alldup.de/download_alldup.php
FileMany
http://codepanic.itigo.jp/