<<Disclaimer: Verify this information before applying it to your situation.>>

All these products are gluten free as of February 20:

Toppings
Cool Whip/Dream Whip (non-dairy, full fat, reduced fat [lite], fat free,
   extra creamy)
Dry Mix

Desserts
Kool-Aid Freezer Bars
Jell-O Gelatin Dry Dessert Mix
       Gelatin (sugar sweetened, sugar free)
       Pudding
             Cook and Serve (fat free, regular)
             Instant (fat free, regular)

Ready Made Desserts
Jell-O Pudding, Jell-O Cheesecake, Handi Snacks Pudding (fat free, regular)
Jell-O Gelatin, Handi Snacks Gel (sugar sweetened, sugar free)