The graphical filter network editor has seen lots of improvements in the past months and can be used to compose new filters from elementary plugins up to almost arbitrary complexity.
Sound data is backed by on-disk storage to allow editing of tracks larger than available memory.
Threading and zero-copy operations inside the filter network allow for efficient processing of audio streams. The console interface, cglame, provides a Guile-based scripting capability that allows for filters to be connected together via code. We hope that the project continues to grow and has the same success that the GIMP has had. Education Linux in education report for April 30 . Here's the latest Linux in education report .