Kaa.base is an LGPL-licensed generic Python application framework with an emphasis on asynchronous programming. (dead)
Kaa is an umbrella project comprising a set of Python modules, mostly inclined
toward solving problems in the domain of multimedia.
kaa.base is an LGPL-licensed generic application framework, providing the
foundation for other modules within Kaa, and can be used in any type of
project, from small event-driven tools, to larger, complex applications.
The project is dead; see http://freevo.github.io