Gelatin based desserts but not jelly type

Chocolate mousse made with avocado (top with raspberries or your choice of fruit)
https://www.splendidtable.org/recipes/chocolate-avocado-mousse-martinis-with-fresh-raspberries
Various British or Italian ice-box (no bake, refrigerator) cakes...with cookies, cream, chocolate and/or fruit
http://edible-ireland.com/2012/06/21/chocolate-biscuit-cake/
online.wsj.com/article/SB10001424053111904060604576574790327460286.html?mod=WeekendHeader_Rotator

mango pudding.

No bake cheese-cake?

http://www.simplyrecipes.com/recipes/no_bake_cheesecake/

The creamy milk-based custards of the Middle East. either cool: https://food52.com/recipes/16167-creamy-saffron-custard-with-white-chocolate-and-pistachio or hot: https://food52.com/recipes/20800-creamy-warming-jasmine-white-chocolate-custard-sachlav have light creamy textures and unusual flavorings (rose, orange flower, pistachio, saffron).

Panna Cotta. Creamy and light, not like a jelly.

There are many flavor variations (lemon, chocolate, etc.,) but this is a good, simple, classic one: https://www.epicurious.com/recipes/food/views/panna-cotta-14224 I also like this one made with buttermilk: https://www.epicurious.com/recipes/food/views/buttermilk-panna-cotta-240370