There are various Gnostic Knowledge Gospels where Jesus wasn't crucified - I won't list them all but here are the most popular.
Gnostic Apocalypse of Peter
He whom you saw on the tree, glad and laughing, this is the living
Jesus. But this one into whose hands and feet they drive the nails is
his fleshly part, which is the substitute being put to shame, the one
who came into being in his likeness. But look at him and me.
The Second Treatise of The Great Seth, 56.6-19 in NHL 332
It was another...who drank the gall and the vinegar
(on the cross); it was not I... it was another Simon, who bore the
cross on his shoulder. It was another upon whom they placed the crown
of thorns. But I was rejoicing in the height (the hills) over... their
error. And I was laughing at their ignorance.