Hi, I've been working on a modular synth builder for a while and I've just put the first release up on SourceForge: http://sourceforge.net/project/showfiles.php?group_id=262459&package_id… (It requires slv2, GooCanvas 0.14, and the ladspa-swh-plugins if you want to build it.) There are also some screenshots here (the second one shows the created synth in use): https://sourceforge.net/project/screenshots.php?group_id=262459 This is all pre-alpha stuff so don't expect it to work that well yet (or even compile easily!). It can only create fairly basic synths at present. I could do with some help checking over the basic architecture and prioritising future work, so join the mailing list on sourceforge if you want to get involved. Damon