Here are some shade tolerant perennials

Acanthus (Bear's Breech)
Alchemilla (Lady's Mantle)
Anemone
Aquilegia (Columbine)
Aruncus (Goatsbeard)
Astilbe (False Spirea)
Bergenia
Brunnera (Siberian Bugloss)
Campanula (some)
Ceratostigma (Blue Plumbago)
Chrysogonum (Golden Star)
Dicentra (Bleeding Heart)
Digitalis (Foxglove)
Doronicum (Leopard's Bane)
Epimedium (Bishop's Hat)
Euphorbia (Spurge)
Filipendula (Queen of the Prairie)
Helleborus (Christmas Rose)
Heuchera (Coral Bells)
Hosta (Plantain Lily)
Iris sibirica (Siberian Iris)