SynthLab(TM) is the name of the open-source C++ library of software synth components that is documented in my 2nd Edition Synth Plugin book. It contains six complete software synths, dozens of synth plugin development C++ objects from the tiny SynthClock to the massive SynthEngine and including multiple synth oscillators, virtual analog filters, wave sequencer, and scores of synth plugin functions. It includes all of the details from the synth book examples and has plenty of material for anyone interested in software synth design.