SoftActivate Licensing SDK can be used to protect Windows (.NET and native) or Linux applications. Linux client support is only available in 'Enterprise for x86/x64' and 'Ultimate' editions.
The SoftActivate Licensing Server requires a shared Windows hosting account or a Windows dedicated machine, with IIS 6 and SQL Server 2005 Express at a minimum.
For development, Visual Studio 2008+ is required.
Note: for Professional Edition customers, we are also offering a partial Linux port of the SDK (no activation support).