TagSpaces - TagSpaces is an open source platform for personal data management. With TagSpaces you can manage and organize the files on your laptop, tablet or smart phone.

TotalFinder - TotalFinder is a plugin for Finder.app which adds tabs like in Chrome browser, dual panels similar to TotalCommander and more tweaks.

TagFlow - TagFlow is an intelligent files manager that use tags for organize your documents.

Path Finder - The Finder, reinvented. Path Finder is an award-winning file browser and management application for Mac OS X.

Tabbles - Tabbles use tags to organize and find files along with your colleagues.

Forklift - The most advanced dual pane file manager and file transfer client for macOS.