libcw

libcw is an application framework for developming real-time interactive applications on Linux.

Some of libcw's features are:

Synchronous and asynchronous interfaces to many common IO devices including:
- Audio
- MIDI
- Serial
- Sockets
- Websockets
Built-in dataflow framework for describing real-time audio and DSP programs.
GUI development API and collection of predefined widgets for developing websocket based user interfaces.
All elements of the framework are easily configurable based on extended JSON files.
Minimal dependencies. The only external dependencies are libasound, libwebsockets and libfftw.
A large collection of pre-built audio signal processing algorithms