Post It Once is a PHP script that allows web users to post status updates and full blog entries to their Twitter, Facebook, and Wordpress blogs in one fell swoop. It requires PHP and a MySQL database.
Docs2Site is a CMS that allows users post content to a public web site. Utilizing Google Docs, Docs2Site creates a custom 4-Level dropdown menu from a shared spreadsheet. FTP is used only for the initial program upload and configuration.
With Bazooka, you can host your very own tumblelog on your server. You don't have to go through any middleman to post. Once you have it installed, it is your tumbleblog.