I didn't want to spam the forum with lots of individual threads so here is what I have for trade:
Psidium cattleyanum - lemon guava - 20 seeds or so
Acmena smithii - Lilly Pilly - 10 seeds exactly
Hylocereus undatus - white dragon fruit - lots of small seeds
Annona cherimola - cherimoya - around thirty seeds
Carnegiea gigantea - Saguaro - lots of small seeds
Ferocactus wislizeni - candy barrel cactus - lots of small seeds
Hot peppers - many types - 10-20 carolina reaper seeds avaiable
Natal plum seeds - unknown amount of seeds
Punica Dwarf pomegranate - Punica granatum "nana" - 20-50 seeds
Pachira aquatica - malabar chestnut - one seedling
Fresh Citrus cuttings - meyer lemon, oranges, etc.
Opuntia ficus-indica - prickly pear - cuttings
PM or comment if interested, I have some more temperate stuff, will add periodically