DDMF has released the first version of Metaplugin, a flexible piece of software that loads other VST plug-ins and lets you interconnect them arbitrarily.
Plug-ins can be dragged onto the freely resizable interface, connections are made by dragging cables between the in- and outputs of the loaded effects. Chains can be saved so that the user can build custom effects out of existing modules.
As an extra, a flat-summing four band crossover filter and a mid-side matrix are included in the package. This way, multiband and mid-side versions of existing VST plug-ins can be built instantly.
The plug-in is currently available for Windows as a VST effect plug-in. A Mac version will be released later.
A demo version is available, which will not save the chains. The full version is available for $15.
Find Metaplugin in the KVR Marketplace