Alphabeat is a 16-step sequencer with built in samples ready to use, and customizable with your own samples - WAVE/AIFF/MP3 file types.
Built-in Frequency filter, Reverb, Delay and Compressors with DSP Scripting from Software Designer and MAX/MSP contributor.
The Rewire should be OK, but there's been an issue with several DAWs. Although the standalone mode would give you satisfaction.
This is Lite, and built specially for KVR Audio Challenge 2014.