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Automata editor is a vector editor for drawing finite automata according to VauCanSon-G format with tools for working with finite automata such as basic algorithms, exporting transition table to LaTeX format and automata work simulation.
D2D Map Editor enables the rapid creation of tile based map grids. It’s easy to learn and can be used by programmers and non-programmers alike. The maps generated can be deployed in games and applications developed in C++, C#, ActionScript and XML.
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Map Annotation is a small utility capable of doing simple geometric constructions over a digital map. It speaks english and you can use any (road, geographical...) map with it. It started off intending to help treasure hunters...
Papyrus is a C++ scenegraph (canvas) library that uses cairo/cairomm for drawing operations. This allows papyrus to be used to draw in a Gtk+/Gtkmm widget, or draw to png, pdf and ps surfaces. In concept it is similar to the Gnome canvas or QT canvas.
...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.
A manga viewing application written in C++/Qt. CuteMangaView supports thumbnails, full screen viewing, common archive formats (planned), and manga metadata such as bookmarks and translations (planned).
lib2geom (2Geom in private life) is a library developed for inkscape to provide a robust computational geometry framework. It is not a rendering library, instead concentrating on high level algorithms such as computing arc length.
a collection of C++ classes (added a C version of the polygon stuff) dealing with paths, and polygons: filling, stroking, rasterizing, boolean operations, insets, offsets, anti-aliasing. Also classes to compute voronoi diagrams of sets of points and voro
Souzou is a cross-platform drawing board application written in C++. It is intended to be used with homemade Wiimote smartboards, and allows the interactive whiteboard to be used like a normal whiteboard, and allows you to save captures of the content.
A parametric, feature-based, sketch-driven 3D CAD application, built around a geometrical constraint solving engine. Project is in early development stage. The FreeSG library (http://freesg.org/) is required.
Fandango, formerly and internally know as elcad. It is a python scripted 3d CAD application; the core is programmed on C++, and interface functions are exported to python to be used as building blocks for new commands.
QtOPENCASCADE is a framework for integrating the OpenCascade Solids Modelling library with the Qt4 toolkit to enable the development of multi-platform CAD and CAE applications.
Class library for performing geometric constructions in 2D and 3D with Postscript output.
Easy to learn for C++ programmers. Easy parametrizing of figures.
Bead Constructor is a utility for creating designs and patterns made of beads. The utility allows to create and edit patterns, to convert images to patterns, to draw maps of underlining wires. It also contains many other tools for a creator's needs.
AutoREALM is a free role-playing game mapping program originally made by Andrew Gryc. This program is an excellent mapping program that can design castles, caves, cities, dungeons and more. New developers are more than welcome!
Previously, development were using Delphi language. Some attempts to rewrite it in other languages were done, but currently (since January 2012) there is an attempt or rewrite using those technologies:
_ C++11
_ wxWidgets 2.9 (will be 3.0 when it will be...