Serendipity (Content Management / blog)

Serendipity is an open source blog application. Serendipity was initially released in 2005.

Serendipity is a PHP-powered weblog application which provides website owners with an easy way to maintain an online diary, weblog or even a complete homepage. While the default package is designed for the casual blogger, Serendipity offers a flexible, expandable and easy-to-use framework with the power for professional applications. Serendipity's basic features include something for everybody, from the personal blogger to the professional corporate web designer: * WYSIWYG and HTML editing * Built-in, powerful media database * Multiple authors, configurable permission/usergroup system * Threaded comments, nested categories, post to multiple categories * Online plugin and template repository for easy plug-and-play installation * Cool plugins: category-based sub-blogs, podcasting, RSS planet/aggregator, static pages * Robust spam blocking * Can be embedded into your existing web pages * Standards-compliant templating through Smarty, remote blogging via XML-RPC * BSD-style licensing * Shared installations can power multiple blogs from just one codebase * Native import from earlier blog applications (WordPress, Textpattern, Moveable Type, bblog)