PixelPost is an open-source photoblog software. It's developed and maintained by dedicated developers. It allows users to post, manage and organize their pictures. Quickly! Easily! No web developer required.
PixelPost isn't a content management system, a personal website, a web portal or anything else. It's just an easy way to post pictures online.
In short, PixelPost gives you what you need to show off your pictures and doesn't bog you down with useless features.
For more information about PixelPost, see their website.