Wireshark
- Network protocol analysis app: deep inspection, live capture & more.
Trillian
- Chat application that tries to integrate most of the major chat networks into one application.
Parallels Access
- Note: Though this is listed as a demo, it is $20/year and it requires a Parallels account.
OpenOffice
- OpenOffice.org is both an Open Source product and a project.
NZBVortex 3
- An NZB client that allows finding and downloading the desired contents.
Micro Snitch
- Figure out if unauthorized users are spying on you.
HandBrake
- Converts clips to a wide variety of video formats.
GPG Suite
- Send encrypted emails and manage encryption tools.
Gemini 2: The Duplicate Finder
- Gemini 2 from MacPaw is a Mac-only duplicate finder and cleaner with a rapid scanning algorithm, gorgeous design and remarkable user interface.
FruitJuice
- Provides info about your battery and prolongs its life.
The Unarchiver
- The Unarchiver is an application for Mac to manage your archive files.
TextEdit
- Easy-to-use word processor built into OS X.
Safari
- Safari 5 is a web browser made by Apple for the Mac.
Reminders
- Organise your life on your Mac. Make as many to-do lists as you need and easily add to them.
QuickTime Player
- A universal media player developed specifically for Mac OS X by Apple, Inc.
Preview
- A simple, elegant application for viewing and working with PDF documents.
Photo Booth
- Take fun snapshots and make short videos in Photo Booth.
Notes by Apple Inc.
- Notes is an application created to make quick records.