Serendipity – open source PHP based Weblog/CMS

Serendipity is an open source PHP based Weblog/CMS that allow user to maintain an online diary, weblog or even a complete homepage. It offers a flexible, expandable and easy-to-use framework with the power for professional applications.

Serendipity is written in PHP using the Smarty PHP templating engine for combining simplicity with well-documented web standards and support for PostgreSQL, MySQL, and SQLite database backends. it also provide sophisticated plugin architecture that allows you to easily modify both the appearance of your blog and its features.

Features of Serendipity

1. WYSIWYG and HTML editing
2. Robust Editing Interface
3. Built-in, powerful media database
4. Multiple authors, configurable permission/usergroup system
5. Threaded comments, nested categories, post to multiple categories
6. Multiple languages supported (internationalization)
7. Online plugin and template repository for easy plug-and-play installation
8. Cool plugins: category-based sub-blogs, podcasting, RSS planet/aggregator, static pages
9. Anti-Spam / Comment moderation
10. Support for XML-RPC Editing
11. One-click upgrading from any version
12. Easy to embedded into your existing web pages
13. Standards-compliant templating through Smarty, remote blogging via XML-RPC
14. open source – BSD-style licensing
15. Multiple Database support (SQLite, PostgreSQL, MySQL, MySQLi)
16. Shared installations can power multiple blogs from just one codebase
17. Serendipity can accept, send and auto discover trackbacks and pingbacks.

Download: Serendipity CMS