1. Gnuplot (Gnuplot Copyright, GPL이 아님.) 2. GNU Octave (GPL) 3. Scilab (Scilab) 4. MayaVi (BSD) 5. Maxima (GPL) 6. OpenDX (IBM Public License) http://www.ibm.com/developerworks/kr/library/l-datavistools/index.html ※ 기타 참고 사이트 http://blog.hanb.co.kr/52 http://monac.egloos.com/1744799 http://monac.egloos.com/1757095 http://processing.org/