P::Classes is a portable, high performance C++
application framework which provides many classes
needed for real-world application development,
emphasing on ease of use, size and stability. Its
current highlights are a typesafe and threadsafe
signal/slot mechanism, an I/O system including a
plugin-based architecture for network-protocol
transparent I/O, a plugin-based application
message logging framework, classes and
driver-plugins to access SQL databases, a message
digest library, and classes for configuration
management.