TOR -- Technology and Operations Review
SADIO The Electronic Journal of the Argentine Society for Informatics and OR
Discrete Mathematics and Theoretical Computer Science
Southwest Journal of Pure and Applied Mathematics
Documenta Mathematica (Journal der Deutschen Mathematiker-Vereinigung)
TOMS (The Transactions of Mathematical Software)
Object Currents
ITORMS (Interactive Transactions of Operations Research and Management Science)
Electronic Journal of Combinatorics
IOTA (WORMS Letters on OR/MS User Interfaces)
The Joy of Dynamic Programming
ESAIM (European Series in Applied and Industrial Mathematics)
JEA (The ACM Journal of Experimental Algorithmics)
MIS Quarterly
OR/MS Today
Journal of Graph Algorithms and Applications
Other refereed Mathematics journals

Technical Reports and Preprints (Institut für Mathematik B - Technische Universität Graz)
Penn State Preprint Library
AMS Preprint Server
Preprints in Operations Research by the American Mathematical Society
RUTCOR Research Reports