[alts]

Haskell:

    (\>) x f = f x

Allows me to write in a more readable manner

    [1..10]
        \> map (*2)
        \> filter (<5)

[nxn]

Heh, wrote the same function, except called mine $> because it's really just a flipped $.

[contextfree]

Inspired by F#'s |> (which was of course inspired by Unix pipes) ?