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HSL Software Index

For information on licensing HSL please see our licensing page.

Please remember to cite HSL as:
"HSL. A collection of Fortran codes for large scale scientific computation. http://www.hsl.rl.ac.uk/"

HSL has moved to a rolling release schedule. New and upgraded packages are added continuously.

Select a bundle from the options below, or select an interface to see available packages:

For convenience, packages for use with the following software have been bundled together.

If you would like us to create a MATLAB interface to one of our other codes, please let us know.

If you would like us to create a C interface to one of our other codes, please let us know.

An interface to HSL packages from Julia can be obtained by visiting our JuliaHSL page.

This is a requirement for HSL.jl which is recommended for a simplified interface.