(Possibly) Dracaena fragrans 'Compacta' Syngonium podophyllum, Arrowhead Vine Epipremnum aureum, Golden Pothos Codiaeum sp., Croton Something in the 'Tradescantia' family
If #5 is the upright variegated plant and not the purplish tradescantia in the foreground, it looks like Sanseveria.