TopDrawer makes it easy to produce beautifully typeset Euclidean geometry diagrams. Platforms: Windows, Mac, Linux

ZVTM is a Zoomable User Interface (ZUI) toolkit implemented in Java. It eases the task of creating complex visual multi-scale editors in which large amounts of objects have to be displayed and animated. Platforms: Windows, Mac, Linux

NoteLab is an advanced 'digital notebook' specifically designed for tablet computers. With its stroke smoothing, antialiasing, and 'smart rendering,' NoteLab provides a beautiful and powerful note taking environment on any operating system. Platforms: Windows, Mac, Linux

This project provides an ownCloud-app (http://apps.owncloud.com) for editing and creating SVG vector graphics in your browser. It's based on the awesome 'svg-edit'-project (http://code.google.com/p/svg-edit/). Features like collaborative editing may be implemented later. Platforms: Windows, Mac, Linux

Flash Vector Drawing(aka faved) is a tool for flash developers to extract vector shapes from pictures. It uses native flash drawing(lineTo, curveTo, etc.) and allows to export the drawn picture into flash code(specially formatted or pure). Platforms: Windows, Mac, Linux

Java editor for petri nets, based on the ARP analyzer. Exports nets to GIF, JPEG, PNG, PPM, ARP and PNML (XML based) file format. Uses the excellent JHotDraw 5.2 framework. Platforms: Windows, Mac, Linux

'Editeur SVG' attempts to be a complete SVG graphical editor, written in Java, with an AWT GUI and allowing easy object manipulation including Bezier curves. Platforms: Windows, Mac, Linux

Comic book editor is easy to use software to create comics.You can make vector drawings, place them in boxes, put the boxes on pages and add some text balloons. For windows users, there is an easy installer, but the program runs also on mac and linux. Platforms: Windows, Mac, Linux

Taprats is a Java applet that implements an islamic tiling technique based on the work of Hankin in the early part of the twentieth century, and on more recent papers by A.J. Lee and Craig S. Kaplan. By Craig S. Kaplan and Pierre Baillargeon. Platforms: Windows, Mac, Linux

A library of 3-D tools for vector algebra. Already in wide use for 3 decades in crystallographic applications. Platforms: Windows, Mac, Linux

JaxoDraw is a tool to generate Feynman diagrams in a mouse click-and-drag fashion. Graphs can be exported to a variety of graphics formats and arbitrary latex code can be used for labels to produce high-quality publishing-style figures. Platforms: Windows, Mac, Linux

A Flash-like movie editor. Uses Java 2D API. Users create and edit animated vector graphics, images, sound. Rich GUI, can export animation. Main page http://gazelle.dev.java.net. This SF site now mirror. Platforms: Windows, Mac, Linux

SVGrafiX is an open-source editor for the SVG format. SVGrafiX is written in Java and therefore platform-independent.Our main goal is to create an easy-to-use graphical editor, that allows you to create or edit SVG documents. Platforms: Windows, Mac, Linux

Image manipulation and generation libraries plus fractal editor and generator examples. Platforms: Windows, Mac, Linux

Paintbrush is a Cocoa-based paint program for Mac OS X, similar to Microsoft Paint and MacPaint. Platforms: Mac

Sprite Kinematics Workbench is a tool that allow to create 2D animations byspecifying the motion of image segments. You can give life to a stickman or to anything else your imagination can think of. Platforms: Windows, Mac, Linux

Aqui está a nova suíte de desenvolvimento gráfico totalmente gratuita(para fins não-comerciais). Feito em Java, esse programa roda em qualquer lugar e trabalha com vários formatos. Trazemos uma nova forma de trabalhar, voltado para iniciantes , produzindo grandes resultados. Aproveite!! Platforms: Windows, Mac, Linux

Visual Disk Diet helps you visualize the space used on your drives with a colorful radial tree chart. Now you can see quickly which folders take so much space, and get rid of them (coming soon). Coded with java/processing. Feel free to use, modify or suggest ideas! It's pretty much a copy of... Platforms: Windows, Mac, Linux

The easy-to-use MSX sprite editor that runs directly on your browser.It does not require Java, and it works 100% offline too!Supports MSX2 sprite overlaying. Platforms: Windows, Mac, Linux

GIMP for Windows and Mac with a huge amount of Open Source or otherwise free or public domain plugins. windows version has installer. mac version must be assembled but has zip files. This package is not (yet) officially associated with the GIMP project. I just make this package available for... Platforms: Windows, Mac