VOSS 3.145.00.10 (beta) virtual object system for Visual Age Smalltalk is available for download on http://voss.logicarts.com under GPLv3 Open Source and/or Commercial licensing. Support is available in the forum there and/or by email.
New feature in this release is Persistent Continuation Transactions:
An open VOContinuationTransaction which has committed any number of alternative futures for its set of objects in continuation sub-transactions may now itself be persisted, or persisted & deactivated which removes the live transaction from the image, allowing log-off and shutdown.
Read more on http://voss.logicarts.com
Logic Arts Ltd