Quadratic Programming

BQPD - quadratic programming.
CPLEX - linear, quadratic, and network linear programming.
FortMP - integer quadratic programming.
KNITRO - linear programming, unconstrained and constrained nonlinear optimization.
LINDO - linear, mixed-integer and quadratic programming.
LOQO - linear programming, unconstrained and constrained nonlinear optimization.
LSSOL - least squares problems.
MOSEK - linear programming and convex optimization (including convex quadratic programming).
OSL - linear, quadratic and mixed-integer programming.
PORT 3 - minimization, least squares, etc.
PROC NLP - various nonlinear optimization capabilities.
SQOPT - large-scale linear and convex quadratic programming.
SNOPT - large-scale linear, quadratic, and nonlinear programming problems (including nonconvex quadratic programming.
QL - convex quadratic programming.
QPOPT - linear and quadratic problems.