StraTrader source code is distributed under GPL (General Public License) License and Commercial License. If you are developing and distributing open source applications under the GPL License, then you are free to use StraTrader under the GPL License. If you wish to use StraTrader source code for commercial products you should purchase Commercial License. Commercially licensed users are free from the requirement of making their own application open source. The formal terms of the GPL license can be found on this page of the GNU Project. Please note that the General Public License can be restrictive, so if it doesn't meet your needs, you are better served by our Commercial License. If you have any questions about Licensing, please contact us.

If you want to develop strategies you will need a C# development environment. Click here to download SharpDevelop, a free and open-source light-weit C# development environment (8 MB). Click here to download Visual StudioExpress, the free development environment from Microsoft (about 50 MB, on download page select to download Visual C#).