Cassowary is an incremental constraint solving toolkit that efficiently solves systems of linear equalities and inequalities. Constraints may be either requirements or preferences. Re-solving the system happens rapidly, supporting UI applications.
The Pointrel System is an RDF-like triple store implemented on the Java/JVM platform, supporting related social semantic desktop applications to create, use, exchange, and organize informational resources for a reasonably joyful and secure world.
Rosetta is a dialect-neutral, XML-based format for Smalltalk code interchange. It is based upon a semantic model of Smalltalk that allows dialect-specific concepts to be mapped to a cross-dialect form.
isectd is a middleware daemon that provides many-to-many client-to-server connectivity. Supports multiplexing requests to multiple server processes over IP networks.