Ubuntu 13.04 Daily Builds
Ubuntu 13.04 Daily Builds Go Live | OMG! Ubuntu!
Ubuntu 13.04 (Raring Ringtail) Daily Build
Daily builds of Ubuntu 13.04 – due for release in April 2013 – have today gone live for download.
With Ubuntu 13.04 dropping alpha releases, the daily builds will be will be the only way to get the release before the first beta lands in mid-March.