According to the Cocoa Packet Analyzer website:
Cocoa Packet Analyzer is a native Mac OS X implementation of a network protocol analyzer and packet sniffer. CPA supports the industry-standard PCAP packet capture format for reading, capturing and writing packet trace files.
Features:
- Basic packet capturing (libPCAP/ tcpdump filter expressions can be used).
- Analyze, display and filter packet trace files.
- Supports PCAP packet capture format.
- Quicklook plugin included – it is basic but at least you can get an overview over packet trace files in finder.
- Intel 64-bit CPU support.

Cocoa Packet Analyzer screenshot
Software
free, OSX, packet sniffer
Today I added a new Mac section on http://www.basvandijk.eu/mac/. This section might be helpful for people who just started using a Mac and do not yet know which software can be useful.
Software
apple, mac, OSX
Angry IP scanner is a free network scanner which supports Mac OSX, Windows and Linux. It has an intuitive GUI which makes it easy to use. You can download Angry IP scanner here, more screenshots are available here.

Software
Linux, OSX, Software, Ubuntu, windows
If for example Pages crashes telling you and error occurred with the SFWordProcessing plugin. The steps below might be a solution:
- Make sure all applications are closed!
- Open Font book.
- Scroll down to the Hoefler font and ctrl + click on it.
- Choose “Remove Hoefler Text Family”
- Download the new Hoefler font.
- Extract the Hoefler.zip file and place it in: Macintosh HD/Library/Fonts
- Launch Pages or iWeb and the everything should work as usual.

Hoefler
Software
apple, font, iweb, OSX, pages
When I started to use my HP Color LaserJet CM1312 MFP it turned out that manual duplex printing was not exactly working. Page 1 had page 7 on the back etc. The problem was that the printer prints its pages in opposite direction, starting with the last page. I spend lots of time seaching for a solution. I found this website, which descibes how to change your printer driver in order to print from 1 to n. Here are the steps you need to do…

Read more…
general
Color LaserJet CM1312, duplex, hp, OSX, printing, tutorial
AppCleaner is a free tool which helps you to remove an application completely from your harddisk. If you remove an application in OSX you simply drag it to the thrash. The application is then removed, but some small garbage might be left. AppCleaner makes sure everything is cleaned. The nice thing: it is free!

AppCleaner screenshot
Software
OSX
Quintin Smits has wrote an interesting article describing how you can make your server appear in Finder as a share even over a VPN.

Nephys as a share in Finder
Linux, Software
bonjour, OSX, VPN
If you are wondering about whether your software will run on the new OSX Snow Leopard this is definitely a site to check out. Wikidot listed lots of OSX software and the how they run on Snow Leopard.

general
apple, OSX
Xbench is a tool which benchmarks your Mac. It runs several tests like: harddisk, memory, cpu, graphics and more. The nice thing: it is free

Results after running xbench
Software
apple, OSX
Last week I saw the free disk space left was below 2GB. I found the free tool Disk Inventory X and was surprised what took all the space

screenshot
Software
OSX