You can download Spire 1.1.14 from our software library for free. The software belongs to Multimedia Tools. This software is a product of Reveal Sound Ltd.
From the developer:
Spire is a versatile hybrid synthesizer that combines powerful sound engine, simple user interface and flexible modulation architecture.
You may want to check out more software, such as Spire.Office for.NET, Spire.DataExport or Spire.XLS for.NET, which might be related to Spire.