Most interesting in File Managers

Free
Analyze disk space usage and spot the files that take up the most space.
Free
A disk space analyzer, system accelerator and cache cleaner.
Disk Inventory X is a disk usage utility designed for Mac.
Free
Helps you find any file or folder you need within your Mac in just a few moments
Disk Doctor will free up disk space by removing cached and unneeded files from your hard drive.

Top rated in File Managers

DateTree
Free

Organize files, movies or photos by date on Mac OS X.

MacVector Converter
Free

MacVector Converter can convert MacVector files to the other formats.

Directory Content Printer
Free

Shareware Mac OS X application that can be used to browse Finder directory trees and print directory content listings.

Doctor Who
Free

Utility for finding application by file extension.

AutoTyper
Free

Replaces what you've typed into any other application with some different text.

Orbiter
Free

Orbiter is a very popular freeware application launcher.

BatchTouch
Free

BatchTouch provides a solution to change the creation and/or modification date.

Flickr Finder
Free

Flickr Finder is a Mac-only application that lets you browse Flickr photos

LengthControl
Free

Simple and powerful utility to control the name length of files and folders.

Touvaly
Free

Novel app for making "pseudo" copies of files, folders, CDs and volumes, preserving folder structure.

AppChest
Free

AppChest allows you to store all your licenses in one place.

nSync

Simple and comfortable useable software to synchronize two folders.

NameFind
Free

GUI for the Unix "find" command-line tool, installed by default on Mac OS X.

MoveTunes
Free

MoveTunes takes a list of music and copies or moves all matches in iTunes to a specified target folder, while trying to organize the files.

Records Master
Free

Organize and manage records files and data.

JuhOS X
Free

JuhOS X is a file invisibility toggler as well as a file browser and launcher.

Finder Window Manager
Free

It is an application for managing all of your Mac OS X Finder window needs.

iHook
Free

Graphical frontend for any commandline executable.

Space-In-Time
Free

Surveys ans records the space used by your data on your disks.

Snippely
Free

Snippely is a basic text and code organizational tool.