SIOD is a small-footprint implementation of the Scheme programming language that is provided with some database, unix programming and cgi scripting extensions. The motivation behind SIOD remains a small footprint, in every sense of the word, at runtime, at compile time, and in cognitive attention required to understand how the system works enough to be able to extend it as well as the author would have done the work himself. About eight years have passed since that initial release. It has been possible to add a feature or two without contributing to the cause of software bloat, with the code segment of the libsiod shared library remaining under 75K bytes on a prototypical comparison machine like a VAX. Furthermore, as the richness of the C runtime library available on most systems has improved over time, SIOD remains a useful kind of glue to have in a software engineers toolbox.