Pencil
Stop-frame drawn animation tool

Image Well
Simple Image Editor with FTP.

PicturePopPro2
Contextual menu plugin viewer

Galerie
Simple media web galleries.

CocoView X
Use MacOS's built-in effects.

Norrkross Tint
A colour balance editor for pictures.

ImageJ
Java imaging and visualization tool

Expression 3.3
Vector Graphics

Button Builder
An excellent tool for simple buttons

Blender
3D environment creation

Cenon
Vector Art and CAD/CAM creation tool

BRL-CAD
Constructive Solid Geometry Modelling

Bricksmith
Is it art, a learning tool or just fun?

Lego Digital Designer
From the creators themselves.

iGarden
Simple garden design software

Free Ruler
On screen ruler for graphics

iMedia Browser
Get to your media from any app

RobotProg
Robot Simulation Software

ACSLOGO
Advanced LOGO interpreter

Scratch
Interactive programming for kids

BlueJ
Java development environment

Eclipse Project
Open Development Platform.

NetBeans
Cross Platform Java IDE

Ch Standard Edition
C development environment

Free Pascal
Pascal development environment

Chipmonk Basic
BASIC programming system

The Mono Project
Visual-Basic.NET on a Mac

Eclipse Platform
Java / C++ IDE

Meteo
Weather station for your Mac.

Stellarium
Home planetarium.

Celestia
The Universe - on a Mac

Earth Globe
Watch the earth on your desktop

Terra Vista
Another excellent Earth viewer

OSXPlanet
A little solar system on your desktop

Smell-o-mints
Simple Periodic Table for Mac

Mathematica Player
Powerful viewer for Mathematica files

Geodes
Geometry investigation tool

Magic Number Machine
High Precision Scientific Calculator

EdenMath
Scientific Calculator for Mac

Plot
2D function plotter

Longhand
A Calculator for Calculations

Calq
On-demand, simple calculator

Yacas
Computer Algebra System

FreeMAT
MATLab style maths environment

SciLab
Scientific visualization environment

OsiriX
Medical Visualization System

Meal Planner
Turn meal ideas into shopping lists

Google Earth
The World - on a Mac

Frixo
Real-time UK Traffic Reports

HoudahGPS
Connect to your Garmin GPS

Industrial Revolution
Historical SIM

Latin Words
Dictionarium Latinus

MacDing
English <--> German Dictionary

JEdict
English <--> Japanese Dictionary

Letter Invaders
Start spelling - Fast!!!

COCOASpell
MacOS X Interface to Aspell

Omni Dictionary
Client for internet dictionary servers