Fun Fact: Did you know that caffeine and theine is the same molecule? Only if it occurs in tea, it is called theine.
Fitvia offers a wide range of teas which do not contain any caffeine.
You can find the full overview of these teas below or under the website filter "without caffeine":
Almond Caramel Tea
Apple Fig Tea
Berry Apricot Immune Tea
Berry Cassis Cold Brew Tea
Berry Lavender Tea
Berry Mint Tea
Blackberry Vanilla Tea
Blueberry Tea
Cassis Rosemary Tea
Cherry Balance Tea
Christmas Punch Tea
Cinnamon Tea
Coconut Tea
Cotton Candy Tea
Frozen Raspberry Tea
Fruity Harmony Tea
Golden Citrus Tea
Herbal Honey Immune Tea
Lemon Cold Brew Tea
Lemon Ginger Tea
Mandarin Tea
Mango Cold Brew Tea
Marshmallow Tea
Orange Berry Tea
Orange Kiss Tea
Papaya Tea
Peach Tea
Pink Dragonfruit Tea
Pomegranate Tea
Passion Fruit Tea
Rose Kiss Tea
Raspberry Cold Brew Tea
Strawberry Tea
Strawberry Vanilla Tea
Tropical Tea
White Peach Tea
Wild Berry Tea
Winter Wonder Tea
Yellow Power Tea
Yuzu Citrus Tea by WaterAid
All other teas not mentioned in the list above do contain caffeine, due to the presence of Green-, Black- or White Tea.