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Serendipity, also known as s9y, is an impressively flexible and easily modifiable PHP-based blog engine. It's designed to provide users with a dynamic platform for their blogging needs, utilizing the power of Smarty - a recognized templating system - for personalized blog creation.

Serendipity - A reliable, secure and extensible PHP blog
Serendipity is a PHP-powered weblog engine giving users an easy way to maintain a blog and developers a framework with the power for professional applications.


A distinguishing feature of Serendipity is its powerful extensibility. It offers a wide array of plugins that aid in expanding the functionality of your blogs, allowing you to customize it according to your unique requirements. Whether you want to add new features or change the look and feel of your site, Serendipity's extensive plugin library lets you do it all effortlessly.

Another notable aspect of Serendipity is its utilization of Smarty Templating. This enables users to fully adapt and modify their blogs' design while ensuring a consistent look across different pages. Moreover, with Smarty's template inheritance feature, users can easily create complex templates in an organized manner.

With 186 GitHub stars and the latest commit on 2023-05-01 the project looks stale.