Balance is a simple and effective way to keep track of your personal finances. It is really as straight-forward as it can be. It offers your different accounts (checking, investments, savings, etc) and lets you list your deposits and charges/withdrawals. It also keeps a nice chart to reference quickly.

Cha-Ching is a fun and easy to use money manager, done Mac OS X style. A tag based database lets you organize and search for your incoming and outgoing transactions your way.

A compact menubar item for easy monitoring of remote URLs or local files, Changes Meter will keep an eye on any URL and let you know if the content on that page changes.

Organize your daily tasks and projects with this next piece of software. Find out all the details at the iGTD home (http://bargiel.home.pl/iGTD/) . For Leopard and Tiger.

Invotrak gets your invoices in order. Invotrak has features like tracking invoices you issue to your clients, keeping track of overdue invoices and revenue, notifying your clients of new invoices and even more.

MemoBlock is a slick notepad application for Mac. You can store text notes in any font/color style you like, transfer content to iPods, export as vNote files and more.

Mozy is a free client that will let you backup with ease to the Mozy online service. It’s been around for PCs for a while and just recently offered the service for Macs. Just sign up and install the client, pick which files to back up, and off you go. It’s all automatic from there on out. You must register and login at Mozy (http://www.mozy.com) before you download.

Almost everyone needs an office suite, NeoOffice is a free, open source office suite based on OpenOffice. NeoOffice has Mac equivalents of word processing software like Word, a spreadsheet equivalent of Excel and more. Download is for Intel. Download for PowerPC machines here (http://www.neooffice.org/neojava/en/mirrors.php?file=NeoOffice-2.2.3-PowerPC.dmg).

NoteFinder is an easy-to-use desktop note-taking application written in Python that uses libnofi to organize and manage notes.

NotePad is the Notepad replacement you've been looking for since converting from 9. You start with eight pages and the ability to add as many more as you need. It also adds some adtitional features like global search and page encryption.

Personal Finance Manager is a user friendly tool used for managing accounts and expenses (uses single or double entry accounting).

When Apple switched to Intel, Mac OS X lost its ability to run older versions of Mac OS in Classic Mode. SheepSaver brings this functionality back.

Preview.app does a good job at opening PDF files, but people end up printing a lot of PDF files out because they like to mark them up and jot down notes. Now Skim lets that marking happen in my digital work flow. Skim is a PDF Reader and note-taker for OS X.