Natural Earth is a public domain map dataset available at 1:10m, 1:50m, and 1:110 million scales. Featuring tightly integrated vector and raster data, with Natural Earth you can make a variety of visually pleasing, well-crafted maps with cartography or GIS software.
Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web. If you want to create your own specific chart or image crop and rotate widget, for example, you can achieve it simply and easily with this library.
# sK1 illustration program sK1 is an open-source illustration program that can substitute professional proprietary software like Corel Draw or Adobe Illustrator*. Currently GNU/Linux is our main development platform, but porting on Win32 and MacOS X desktops has been scheduled. sK1 supports professional publishing features, such as CMYK color, separations, ICC color management and press-ready PDF output. # UniConvertor UniConvertor is a universal vector graphics translator. It is a command line tool which uses sK1 object model to convert one file format to another. The project is a multiplatform software and can be compiled under GNU/Linux (and other UNIX-like systems), MacOS X and Win32/64 operation systems. # CDR Explorer CDR Explorer is a research tool for CorelDraw file formats. It was used to create a CDR import filter for sK1 Editor and UniConvertor. This tool is written on Python and works under GNU/Linux, MacOS X and Win32. # WMF format parser (pymfvu) pymfvu is a small research project. This project was started to prepare new WMF/EMF filter for sK1 and Uniconvertor. The pymfvu program can open and render both Windows Metafile and Enchanced Metafile files.
M. Rao, K. Swamy, K.Anithasheela, und B. Mohan. International Journal of Computer Science, Engineering and Information Technology (IJCSEIT), 2 (1):
67-74(Februar 2012)