RayFeedReader is a PHP class to retrieve and display feed content from a given URL. It can read feed content into an array, and supports RSS 0.91, RSS 0.92, RDF, RSS 2.0, and Atom feeds. It can detect the feed type automatically, or it can be set manually. A pluggable HTML widget rendering class is supported. The HTML widget can be rendered through the optional RayFeedWidget class or your own extended class. It is easily configurable and can work without any configuration. It is simple and easy to use from anywhere in your application with a single line of code. It supports the Singleton pattern and is light weight.
selfoss is a multipurpose RSS reader, live stream, mashup, and aggregation Web application. You can register RSS feeds, and this Web-based PHP application will continuously fetch new RSS feed items. The items will be shown in a stream. You can also add other sources, like deviantart, Twitter, or tumblr users. Attaching new sources is very easy, and you can add any source you want (e.g. IMAP email account, log files, etc.). selfoss also allows you to collect all your postings on different communities (e.g. Twitter, your blog, etc.) and show it in one place. It features a Web-based RSS reader, universal aggregator, mobile support (Android, iOS, and iPad), and support for MySQL, SQLite, and MongoDB databases. It is easy extensible with an open plugin system (write your own data connectors). It is a lightweight PHP application taking up less than 2 MB.