Mail Act-On is the powerful enhancement to Apple's Mail Application that puts organization at your fingertips. Use Mail Act-On to create rules to perform action on messages by responding to simple keystrokes. Create Outbox rules to automatically add headers and set the archive mailboxes of sent mail. Mail Act-On is the indispensable tool for anyone who needs to manage their mail more efficiently.

TokenLock allows you to use a Bluetooth device (with optional proximity), a USB device, a hotkey, or your Apple Remote to lock (and optionally also unlock) your Mac.

A very simple yet powerful application that makes it very easy to clean and optimize your Mac and to protect your privacy and security while online. MacBooster is a simple and user-oriented Mac application designed from scratch to provides you with all the tools required to speed up and fine tune your Mac.

Liquid is simply the fastest and most powerful way to use your Mac.
MacUser: Revolutionary
CNN: A great tool
BBC: So useful you’ll wonder how you ever managed without it
Stephen Fry: Get used to it & you're hooked
TUAW: One of those utilities that you can't live without once you start using it

Dropshelf makes dragging and dropping easier by providing a resting place for draggable items. Just drag an item to the edge of the screen, and a 'shelf' smoothly slides out. Drop images, URLs, and text clippings on the shelf to keep them handy while you find a window or switch apps. Then just drag the items off the shelf again.

CleanMyDrive lets you maintain your removable drives as easy as never before with CleanMyDrive! It cleans up needless service junk generated by Windows or Mac OS (DS_Store, Thumbs.db, Spotlight, hidden trashes and so on). It also helps you to manage your external drives.

SSH Shell lets you login to your server with one click.

Am I being watched? Is my camera on but did I somehow miss the green LED? Thanks to click-jacking, trojan horses and malware, hackers have found ways to turn on your camera without your consent. Camera Lock enables you to lock your camera and refuse access by any app. If a camera was already in use, its video will freeze immediately and the green LED will start flashing. No more need to tape over your camera!

Mountain Duck, based on the solid open-source foundation of Cyberduck, allows you to mount remote volumes in Finder on OS X and File Explorer on Windows. Access remote files as if they were on a local disk, and edit them with your preferred applications. A minimalist user interface in the menu bar allows you to quickly mount remote volumes. Bookmarks are shared with Cyberduck if installed.

Bartender lets you organize your menu bar apps.

Cocktail is a general purpose utility for OS X that lets you clean, repair and optimize your Mac. It is a powerful digital toolset that helps hundreds of thousands of Mac users around the world get the most out of their computers every day.

The Archive Browser is a program that lets you browse the contents of archives, as well as extract them. It will let you open files from inside archives, and lets you preview them using Quick Look.

Video to GIF Maker is one top gif maker on Mac OS X. On one hand, this video to GIF converter helps you to make a GIF from video. Like MP4 to GIF, MOV to GIF, and 200+ other videos to GIF. On the other hand, you can edit videos and adjust video settings before creating a GIF animation.

iStat Menus lets you monitor your system right from the menubar. Included are 8 menu extras that let you monitor every aspect of your system.

Final Cut Library Manager instantly displays all of the Final Cut Pro X 10.1 libraries and associated media that it finds on your Spotlight-indexed drives. You can also add other sources: disks, Xsan volumes or folders, including those not indexed by spotlight.