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ThanCad is a 2dimensional cad, with limited 3d support and raster inclusion capability and emphasis in engineering. It is being written in Python and since it uses the Tkinter library, it is platform independent.
Draw vector graphics to scale using a descriptive language
Drawj2d creates technical line drawings using a descriptive language. It writes pdf, svg, eps, emf and dxf vector graphics or png images. It runs on all platforms that run Java. It is inspired by Asymptote but with a tcl-like syntax and 2D only.
APTOS is an open source Apt translator project. It consists of several CAM applications, based on the Apt programming language. It is used to create control programs for cnc mills, lathes, water jets, lasers, and other industrial equipment.
Vitral SDK (Vitral Software Development Kit) is a java based software architecture for the development of computergraphics applications. Supports solid modeling, offline and JOGL rendering, animation/simulation and human-machine interaction.
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QCAD is an application for computer aided drafting (CAD) in two dimensions (2D). With QCAD you can create technical drawings such as plans for buildings, interiors, mechanical parts or schematics and diagrams. QCAD works on Windows, Mac OS X and many Linux and Unix Systems.
j2dcg: Java 2D ComputerGraphics and Imaging Framework. This framework is targeted for academic use, to reduce the amount of Java / User Interface coding for assignements targeting both raster and vector graphics.
GoGraph is a tutorial software giving informatics students an easy, interactive and ergonomic way to learn and exercise the graph theory. It is based on JGraph, an open-source graph component for Java.
Convey is a real-time, online, multi-user collaboration tool which augments text, graphics, and symbols. Examples of graphics include shapes, mathematical expressions, diagrams, flow charts, and pictures.
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Gemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
AniToolBox aims to be an Open Source and Free Computer Aided Animation program suite. Since the project is still in its initial planning phase, suggestions are very welcome.