Downloading APSIM?

General Use Licence

  • For general use purposes, access to APSIM will be free of charge to users.
  • General use of APSIM means public-good research & development and educational activities. It includes the support of policy development and/or implementation by, or on behalf of, government bodies and industry-good work where the research outcomes are to be made publicly available.
  • Any improvement you make to the model belong to and needs to be returned to the APSIM Initiative.  For more information on what is an improvement, please review What is an APSIM Improvement?

The AI will provide regular official releases of APSIM free of charge for non-commercial use to those who agree to the terms of the license agreement

Special Use Licence

Special Use means, in relation to the APSIM Technology:

(a) to use or develop the APSIM Technology without publishing and making publicly available data and/or results generated from using the APSIM Technology;
(b) if it is a product or process that incorporates or is derived from the APSIM Technology, to use the product or process without publishing and making publicly available data and/or results generated from using the APSIM Technology as part of that product or process; or
(c) if it is a service that uses the APSIM Technology, to provide that service without publishing and making publicly available data and/or results generated from using the APSIM Technology for the provision of the service.

Please remember that all licences of APSIM stipulate that improvements to APSIM will be owned by the APSIM Initiative and are required to be returned to the AI.


Special Use Licence – Improvements owned by APSIM Initiative (Type 1)Special Use Licence – Improvements owned by Licencee
(Type 2)

Licence Fees

Size of contracting businessType 1 Improvements owned by the APSIM InitiativeType 2 Improvements owned by the Licencee
<$2 million turnover$AU 3.3K/yearNegotiated
$2-40 million turnover$AU 11K/yearNegotiated
>$40 million turnover
$AU 27.5K/year
Negotiated
Prices for APSIM Special Use Licence – Improvements owned by APSIM Initiative

    If you are or plan to use APSIM without publishing and making publicly available data and/or results generated from using the APSIM, then you need to apply for a Special Use Licence.

    If you use or develop APSIM and publish and make publicly available data and/or results, then you can choose the General Use Licence when you apply to download the model.

    All access will be through approved licence agreements. The licences can be reviewed here: APSIM General Use Licence and APSIM Special Use Licence.

    General Use and Special Use Licence Type 1 require all Improvements to the APSIM Software to be submitted to the APSIM Initiative for potential inclusion in the APSIM release. Ownership of the Improvements will be transferred to the APSIM Initiative.

    If you would like to discuss retaining ownership of Improvements made to the APSIM Software, please email apsim@csiro.au