Anthem is an advanced open source MIDI sequencer which allows you to record, edit, and playback music using a sophisticated and acclaimed object oriented song technology.
The dbg library is a set of C++ utilities to
facilitate modern debugging idioms. It
integrates well with standard library usage,
providing constraints and an integrated
stream-based logging facility. It is
customizable and flexible.
TSE3 (Trax Sequencer Engine v3) is a powerful open source sequencer engine written in C++. It is a sequencer engine because it provides the actual driving force elements of a sequencer but provides no form of user interface.