Original sentence: There is also a commercial, closed-source version available - RealProducer Plus for MS Windows and Linux.There is an add-on package for Helix DNA Producer SDK with AAC or aacPlus encoding support
Edited sentence: Helix DNA Producer is also available in a commercial, closed-source version - RealProducer Plus for MS Windows and Linux.There is also an add-on package for Helix DNA Producer SDK with AAC or aacPlus encoding support