M-100 joint compound is free from formaldehyde and has natural binders.
It comes in 25lb. bags, powder form and mixes easily. Each bag makes approximately 3gallons of mud and covers ~100-150 square feet depending on thickness of appplication.
Compounds
AFM Caulk - Non-toxic, water-based, elastic emulsion type caulking compound designed to replace oil caulk and putty for windows, cracks and general maintenance work.