Smart-M3 is a functional platform that provides a cross domain search extent for triple based information. Smart-M3 enables smart cross domain applications that rely on information level interoperability.
Omega Online is cross-platform peer-to-peer middleware for home computing. The project provides tools and libraries to author distributed computing in a language-neutral manner, using open standards.
XPLC (cross-platform lightweight components) is a component system that provide extensibility and reusability both inside and between applications, being portable across platforms and languages, easy to use and having the lowest possible overhead.
CPCOM contains a open-source and cross-platform implementation of the Microsoft COM API for operating systems that do not have an implementation. This allows COM components to be easily ported to other systems.
XParam is an extendable, type-safe, object-oriented tool for general object serialization in C++, good for parsing command-line parameters, cross-program and cross-platform communication, object streams, and as a plug-in framework (using polymorphism).
TclXPCOM is a binding between Tcl and XPCOM, Mozilla's cross-platform component model. TclXPCOM allows Tcl developers to use and implement XPCOM components with pure Tcl scripts.