Author has written 70 stories for Buffy: The Vampire Slayer, Supernatural, Lost, Crossing Jordan, Forever Knight, Ghost Ship, and Dragonriders of Pern series.
I really can't say it strongly enough: if I write it, the chance of a "happy ending" is extremely low. You have been warned.
Most of these stories are also up at LiveJournal and AO3 under the name Tolakasa.
None of the incomplete stories are abandoned. They just don't write very fast.
Forgotten universe (BtVS, BtVS/SPN): "Forgotten," "Father Figure," and "Flesh and Blood."
Covre Meyanevil universe:
"Alicia" universe: "Rebound" and "When I'm Gone."
This Christmas Day verse, in story-chronological order [Note: There are more in the series at AO3 and LJ: