There are a number of universes out there and in each one Harry is a bit different. Sometimes he even moves between universes. A glimpse of things that could happen to Harry in some of those universes after the end of the last book.
"He was summoned as someone who 'wants to be here' and 'is capable of defeating' you, my Lord." – "That does not mean he has to." – Desperate, the Order has reached across dimensions for help against Lord Voldemort. However, with Harry Potter involved things don't go as planned.
New Year's Eve was always a special night for the children at Wool's Orphanage. None more so than Tom Riddle.
Unrelated vignettes and one-shots that could be cannon. Chapter 1: Reunion - After the war, when things have settled down, Harry calls Dudley.