The god Apollo had many sacred items, like red cows. But his best known gift was the Oracle at Delphi, a soul passed down through the generations to tell propechies to young heroes and gods.
The gift of music.
Apollo gave Hercules the gift of a golden bow and arrow.
Apollo gave the gift of prophecy to mortals. This gift allowed them to see into the future and gain insights that others did not have.
Apollo was sometimes considered a refection of Zeus, a dependent upon his father's own powers. I do not know of any mythic gifts that Zeus granted to Apollo.
Apollo
music and flight
hermes got apollos catle and apollo got a musical instrumint
Hermes gave Apollo the lyre, a musical instrument made from a tortoise shell.
Yes. Apollo loved Cassandra but Cassandra resented him. Apollo gave her the gift of prophecy but when she resented him Apollo cursed Cassandra so that no one would believe a word that she said.
To spread culture in the world: music, poetry, song, ...
Zeus did not give Cassandra her ability, this was the gift of Apollo (or she always had the ability and when she rejected Apollo he cursed her prophecy not to be believed).
Apollo fell in love with Cassandra, a mortal woman, and granted her the gift of prophecy. When Cassandra later rejected his advances, Apollo cursed her so that no one would believe her prophecies, leading to her tragic fate during the fall of Troy.
Maron: a priest of Apollo who gives Odysseus a gift of powerful wine