What are some alternatives?
When comparing VST Buzz and Scaler, you can also consider the following products
Producer Bundle - Discover Samples, Loops, Midi Sounds, Music Production Plugins, Construction/Drum Kits, Nexus Presets, FL Studio Templates, Soundpacks on Producer Bundle
Cthulhu - VST MIDI-FX plugin for harmonic inspiration
KVR Marketplace - Marketplace for professional audio software.
Odesi - ODESI is a music sketchpad that exports your projects to Audio and MIDI.