General Interest

• The Mathematical Programming Society
• Michael Trick's OR Page
• Optimization Technology Center and its guide to optimization software
• The Network-Enabled Optimization System
• Benchmarks for Optimization Software
• Optimization on Line includes recent preprints

Some codes for LP and NLP

• LOQO

More Software and Codes...

• Numerical Recipes
• Netlib Collection

Nonlinear programming test problems and Software

• Klaus Schittkowski Home Page

Sites on Special Topics

• Semidefinite Programming
• Ant Colony Optimization Optimization via "smart insects behavior"....
• Entropy and Information Theory Secrets of life.....