AU - Before he donned the name Robin Hood, his name was Barry Allen and all he wanted was to be with his love, Iris West. Barry/Iris. Multi-Chap. [25 Days of Westallen Fanfiction: Day 20-25]

SPOILERS FOR 5X11 SEEING RED. What Barry almost did terrifies him, and surprisingly, Killer Frost is the one to calm him down.

Barry and Iris help prepare their five-year-old twins for their Christmas dance recital. Barry/Iris. One-shot. [25 Days of Westallen Fanfiction: Day 19]

2x18 - Canon Divergent - Iris takes a risk and shows Barry her true feelings when he's at his most vulnerable. Things escalate from there. Barry/Iris. Multi-Chap. [25 Days of Westallen Fanfiction: Day 5, 6 and 18]

Barry can't stop thinking about how cool the Green Arrow suit looked, especially on him - so after getting permission from Felicity, he decides to borrow it for a bit. However, when he gets caught in character by Caitlin, he fears she'll only laugh at him. Instead, she turns their encounter into one of the most strengthening moments in their bond for the battlefield. (SNOWBARRY!)

AU where Caitlin and Barry meet in Midwestern University. Read on to find out more!

My name is Kadence Johnson and I am the most dangerous woman alive. When I was seven, I saw my parents killed by burglars and robbers. No one was taken to jail for their murders. Then an accident made me the impossible. To the outside world I'm a bioengineer. But secretly I use my powers to commit crimes and do evil. One day, I'll get justice for my parents. I am Mistress

A short ficlet for a Shapeshifter AU. Leonard has what he thinks is an attractive offer for Barry, related to his shapeshifting, but Barry manages to turn the tables on him in a way only he can.

The missing conversation between Barry and Cisco after that season 3 episode when Barry is forgiven for creating Flashpoint. Friendship. No slash.

AU Barry Allen had a strong and inexplicable effect on her. He was everything she wasn't but somehow, with him, her icy heart was melting. She knew she should have run away the minute she started feeling so confortable around him. In fact, she should have run the minute she met his sparkling eyes. But it was too late now. And Caitlin Snow, as perfect as she was, was falling.

One-Shot - Singh finds out Barry's The Flash!

What if Savitar was saved by Team Flash? What if he sticked around? What if Caitlin Snow never became Killer Frost? What if she started to see Savitar as something more than a villain? What if?

[Written Pre-S4] Speed is a scalar quantity - it is distance over time, with no reliance on or need for direction. / That doesn't stop Barry, after having been trapped in the Speed Force so long that he knows more about being pure speed than being a person, from seeking out a direction.

It's Barry's and Cadence's last night before the end. Before Savitar's influence is to take Cadence's life away. There's a lot they need to talk about; things they wished they had time for. Deleted Scene from between chapters 50 and 51 of Friction.

With rising paranoia and fear from metahumans, Barry and his friends need to gather all their strength and wits to protect the people they love. ! Warning: This story may contain adult themes, such as nudity, sexual content, experimentation, torture, mass murder etc. Reader discretion is highly advised. !

AU scene of Killer Frost confronting Cisco in 5x10. Rather than Killer Frost, it's Barry. And he has some choice words for Cisco.

Barry has been missing for seven months, and Team Flash can't find any leads to where he might be. When a new speedster shows up in Central City, will Barry finally be found? Will he be the same Barry that he was before he went missing?

Part of the Stipulations story arc SLASH RATED MATURE COLDFLASHWAVE Title says it all

[...] ¿Len ha dicho ya lo lindo que es Barry? [...]

After Nora comes out to Iris as bisexual, her reaction leaves her hurt and feeling alone. However, when Caitlin finds her on the steps of the cortex, crying her eyes out, her auntie-instincts kick in and tell her to comfort Nora. This leads to an outcome that neither saw coming, but are absolutely not complaining about. (Angst with a VERY happy ending; kinda hinted Snowbarry too)

Lenth 3k or more

SLASH RATED MATURE COLDFLASHWAVE Barry has a proposition...

SLASH RATED MATURE Part Four of the Trapped story arc, it's Ray and Mick's turn.

After Barry and Iris have a fight he's banished from home until he apologizes. Savitar seizes the opportunity to become reacquainted with the woman he once loved... *dub-con

When Barry jumped into that singularity, Caitlin felt her heart disappear along side with him. Not sure how to exactly move on, she's been stuck in the same routine for months until she found a little bit of lightning that reignited that heart of hers. Barry x Caitlin Story.