You will need to use a Git Client to connect to your repository with Pagelines. This information will be provided in your Pagelines Developer Program packet.
GitHub (OSX)
Git (OSX) (Windows)
SourceTree (OSX)
Tower (OSX)
TortoiseGit (Windows)
TextMate (OSX}
TextEdit (OSX}
Notepad++ (Windows)
MAMP (OSX)
WAMP (Windows)