What are some alternatives?
ImageOptim - Faster web pages and apps.
TotalFinder - TotalFinder is a plugin for Finder.app which adds tabs like in Chrome browser, dual panels similar to TotalCommander and more tweaks.
Organize My Files - Organize files in a simple click
TotalTerminal - TotalTerminal is a plugin for Terminal. app which provides Quake-style terminal window available on keyboard shortcut.
muCommander - If you want a cross-platform file manager, muCommander is one of the best options available. It supports a wide range of protocols, including HTTP/HTTPS, SMB, FTP, SFTP, and many others. Read more about muCommander.
File Juggler - File Juggler is a Windows utility for automatic file management.