This is a master list for the Homecoming AU. The stories appear in chronological order for the AU, not in the order in which they were written and posted. Each link is to the last chapter of the story; links to the previous chapters are located there. If you want to understand the AU, it would probably be best to start from Homecoming.
The John Hart Chronicles: The Soul Trap. John Hart finds alien technology and love in the strangest places.here
A Very Private War. John Hart is pulled back through time to fight at Torchwood Three's side during the Year That Never Was. here
The Mermaid of Mermaid Quay. How Andy Davidson joined Torchwood Three.here
Homecoming. After fifteen years away, Ianto Jones returns to Cardiff... and Jack Harkness. here
The Eye of Neith. Ianto's former lover arrives in Cardiff asking for his help in tracking down an Egyptian relic that is much, much more than it seems and will change Ianto's life forever. here
The Siege of Annwfn. Jack and Ianto battle renegade Time Lords to rescue an old friend. here
Memories of War, Memories of Love. Jack uncovers John's secrets. here
The Joining. Jack and Ianto discover a very nice benefit to Ianto's transformation. here
Then and Now. Jack meets Sherlock Holmes -- twice. here
The Hour of the Wolf. Gwen and Rhys's twin sons get caught in a trap meant for Torchwood... and the entire planet Earth. here
Invincible Summer.The events on the Valiant come back to haunt Tish Jones and it's up to John and Andy to help help her. here,
A Valediction Forbidding Mourning. Jack and Ianto attend a very special ceremony here
The Christmas Conspiracy. Ianto and the Doctor give Jack a Chrismas present he will never forget. here
Help me Remember. Far in the future, the Doctor needs his friends to remember love. here