Gnuplot C/C++ interface (the real extension of gnuplot_i)
Software for data analysis, image processing, simulations, solver.
User Friendly Data Analysis Tool for Interaction Data
Toolbox visualizing computations of Realizable Sign Conditions.
Open Source BGP Looking-glass
A program for visualising Affymetrix SNP array data
Solve linear programming problems
Portable Ubuntu Linux for Scientific Computing
Multibool function is slow ;)
Web interface for visualizing CSV data from CollectD monitoring system
Javascript Library for plotting stocks or other data type using HTML5.