Can you suggest some self-hosting Blog application?

Question by bzkit1983: Can you suggest some self-hosting Blog application?
Which is not something like Blogger,
but be able to download and run in my own server.

the best solution is PHP without any database requirement.

Best answer:

Answer by desabol
This is a great run-down of what you are looking for:
http://www.asymptomatic.net/blogbreakdown.htm

Know better? Leave your own answer in the comments!