Thanks to the generosity of their providers at some sites you can try optimization software directly without any need to install it yourself.
| BiqBin | online solver for binary QPs |
| NumaWWW | interactive use of methods for numerical mathematics and optimization |
| AMPL Colaboratory | Use Python notebooks on several platforms |
| WolframAlpha | Solve linear, quadratic and polynomial equations online |
| ALIAS | Solve up to 5 nonlinear equations or inequalities online |
| TOPOPT | Topology optimization to maximize structural stiffness |
| NIMBUS | solves possibly nonsmooth multiobjective NLP's, works interactively, uses a bundle method. Comes with a user's guide. You may login as guest or regular user. |
| Nonlinear LS Curve Fitter | interactive Javascript-based tool |
| FGM-Web | Java-based interactive implementation of feasible goals method. |
| BiqCrunch | A semidefinite branch-and-bound method for solving binary quadratic problems |
| Biq Mac | Binary quadratic and Max cut Solver (graph input) |
| SLHweb | Web interface to Snakes and Ladders heuristic for Hamiltonian cycles |