SweetCron is free self hosted open source automated lifestream blog software from Edible Inc. Sweetcron is currently being developed and tested by Yongfook, the creator of opensourcefood. Which comes with features like:

• automatic imports: Uploaded a photo to flickr? Bookmarked a new site? In a few minutes it will show up on your blog!
• easily customisable: Edit simple templates to change the way your Sweetcron Lifestream looks. Default Boxy But Good theme included!
• Sweetcron is fully extensible, too? Write your own php classes and slot them right in!

Demo: Yongfook’s blog