Here are links to some excellent external sites related to the Opus+ project which might be of interest.
Other Opus+ Hosts
Opus+ download kits are also held on SourceForge and there are links to Opus+ from other sites. Softpedia has awarded Opus+ a 100% FREE Award
Here are various links to useful sites offering free resources and information to compliment Opus+ usage and development.
Opus+ Project Sponsor
Here is the site for Logos Software Ltd. who kindly provided much of the time and resource needed to develop Opus+. The Logos site gives excellent advice on how to write fast, reliable programs, with information for both beginners and professionals alike.