One story, Carer, with two alternative sequels in which a dark version of Giles encounters a much altered Spike in an AU season 4 of Buffy the Vampire Slayer
Spike/Giles, Spike/Angel NC17
Angelus is tired of hearing Spike's voice and decides to do something about it
Set during Buffy the Vampire Slayer season 2
Angelus/Spike, Angelus/Drusilla, William/Darla NC17
Spike was very naughty to hire a notorious paedophile vampire to torture Angel for the Gem of Amarra. Angel has to punish him.
Set during an AU version of Angel, the series season 1
Spike/Angel, Spike/Wesley, Spike/Cordelia implied
Spike and Wesley find a unique way to cope with their grief over the death of Fred.
Set during the final part of Angel, the series season 5.
Spike/Wesley, mention of Wesley/Fred NC17
A dark AU story that asks what might have happened if Darla hadn't had to die to give birth to Connor
Set five years after the events of Lullaby in Angel, the series season 3
Spike/Darla, Spike/Angel, Spike/OC NC17
A series of fics set in BtVS season 6 in which a Buffy who is very much not herself dominates a broken Spike
Spike/Buffy, Spike/Angel, Buffy/Angel, NC17
Giles takes Spike in hand after the vampire is chipped
Set just after Something Blue in Buffy the Vampire Slayer season 4
Spike/Giles, NC17
An AU kink version of AtS season 5, in which Spike is enslaved by Wesley
Spike/Wesley, Spike/Angel, Very NC17
The epic sequel to Coming of Age, in which the dark events only hinted at in that story come to pass with tragic consequences for the world
Spike is paired in this story with many characters, the most important of whom are Angel,Giles, Buffy and Wesley. Very NC17
An alternative version of BtVS season 7, in which Spike has come to Giles for help, rather than returning to Sunnydale
Spike/Giles, NC17
Spike does what it takes to survive in a glass darkly version of the world post-Not Fade Away
Spike/Wesley, Spike/Angel, NC17