Global Optimum Limited (software development for businesses efficiency).
Enginest Software -- Natural Constraint Language
(NCL).
JDA / i2 (Supply Chain Management).
ILOG (IBM)
LINE (collective transportation, logistics).
MPL (Optimisation Modelling tool).
Actenum Corporation (Bill Havens, Morten Irgens, Vancouver)
Constraints Archive
Inter-disciplinary Scheduling Network, UK
Michael Trick's Operations Research Page.
a huge collection of pointers for OR.
Estimation of Distribution Algorithms (EDA), Professor Pedro Larranaga's group at University of the Basque Country, Spain
The Reactive Search Website /
LIONsolver (online book)
Cork Constraint Computation Centre, (4C)
Professor Hao's Constraint & Combinatorial Optimization Group.
Java Constraint Kit
Constraint Handling Rules (CHR) by Thom Fruehwirth.
FRODO,
a simulation platform for distributed constraint satisfaction/optimization problems by
Adrian Petcu,
AI Lab,
EPFL, Switzerland
Constraint Satisfaction Homepage at BRACIL
Page maintained by Edward Tsang; updated 2013.11.15