Star Plots

http://www.itl.nist.gov/div898/software/dataplot/gra_gall/starplot.htm

A star plot is a method of displaying multivariate data, each star representing a single observation. It is used to examine the relative values for a single data point and to locate similar points or dissimilar points.

Correlation Matrix

http://www-cdf.fnal.gov/physics/new/bottom/100304.blessed-Bsphiphi_amplitudes/index.html

A correlation matrix is a type of graph that allows to observe correlation between two numerical values. 

Stem and Leaf Plot

http://www.eduplace.com/math/mhm/5/06a/index.html

A stem and leaf plot is a method used to organize statistical data. The greatest common place value of the data is used to form the stem. The next greatest common place value is used to form the leaves. This is a stem and leaf plot showing the different ages of people present at a given family reunion.

Box Plot

http://www.itl.nist.gov/div898/handbook/eda/section3/boxplot.htm

A box plot is a great visual aid to examining key statistical properties of a variable, it is a graphical representation of data that shows a data set's lowest value, highest value, and the size of the first and third quartile. This box plot compares four machines for energy output.

Histogram

http://www.fas.usda.gov/pecad2/highlights/2000/12/aswheat/as_wht0012.htm

A histogram is a display of statistical information that uses rectangles to show the frequency of data items in successive numerical intervals of equal size. Here is a histogram showing the amount of wheat produced in Australia in its different regions and over the years.

Parrallel coordinate graph

http://vis.lbl.gov/Vignettes/Drosophila/index.html

A parallel coordinate graph displays multiple different data thanks to parallel coordinate axes connected by overlapping lines. Here is actually a 3D parallel coordinate view of all cells of an embryo and of nine selected  genes.

Triangular Plot

http://www.nrel.gov/continuum/deliberate_science/inverse_design.cfm

A triangular plot allows to display the compositions of rocks and minerals on a triangular composition diagram.