Sites

GIPALS: Linear Programming Tool (Popularity: )
http://www.optimalon.com
Linear programming software for industrial size constrained optimization based on Interior-Point method.

graphdrawing.org (Popularity: )
http://graphdrawing.org/
Information source for researchers, practitioners, developers, and users working on all aspects of graph visualization and representation.

Pseudo-Boolean Benchmarks with Hidden Optimum Solutions (Popularity: )
http://www.nlsde.buaa.edu.cn/~kexu/benchmarks/pb-benchmarks.htm
Benchmarks in opb format. Includes a description of how they were generated.

Graph Drawing Resources (Popularity: )
http://www.cs.brown.edu/people/rt/gd.html
Links to research groups and software.

GraphViz (Popularity: )
http://www.graphviz.org/
Development home of the open source Graph Visualization Project from AT&T and Lucent Bell Labs.

Pajek - a Package for Large Network Analysis (Popularity: )
http://vlado.fmf.uni-lj.si/pub/networks/pajek/
This program runs under Windows NT/9x and provides some analysis tools for large networks and graph-drawing capabilities.

ACE (Popularity: )
http://phalanstere.univ-mlv.fr/~ace/ACE/3.0/ACE.html
An Algebraic Combinatorics Environment for MAPLE providing functions to work with classical structures in algebraic combinatorics. Free download.

Decision Tree for Optimization Software (Popularity: )
http://plato.asu.edu/guide.html
Guide to find software for optimization problems and related links.

Graph Partitioners (Popularity: )
http://www-2.cs.cmu.edu/~scandal/alg/separator.html
Three algorithms written in NESL for finding separators of graphs, in order to compare the quality of the cuts.

Global (and Local) Optimization (Popularity: )
http://www.mat.univie.ac.at/~neum/glopt.html
An archive of online information on global optimization.

Eudoxus Systems (Popularity: )
http://www.eudoxus.com
Using optimization to solve business problems. Includes lecture notes and case studies on the practical application of linear programming and optimization.

Graph Visualisation Experiments (Popularity: )
http://kisd.de/~marian/graphvis/
Attempts to apply force-directed layout (by Touchgraph) on various datasets, including dmoz.org categories and web site link structures.

Dash Optimization: for Linear, Integer and Quadratic Programming and Optimization Modeling (Popularity: )
http://www.dashoptimization.com/
Dash Optimization: for Linear, Integer and Quadratic Programming and Optimization Modeling.