PFBC is an object-oriented PHP class for building HTML forms. It includes AJAX support, jQuery, reCAPTCHA, TinyMCE, and CKEditor. It features integration with Bootstrap, a front-end framework from Twitter that incorporates responsive CSS (meaning your forms not only look great and behave well in the latest desktop browser, but in tablet and smartphone browsers as well). It supports HTML5 form elements and attributes.
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.
Live Helper Chat is a system that adds live support to your Web site. It features Web and desktop clients with Windows, Linux, and Mac compatibility, interactive live chat for customer support, user geo-detection with location relevant questions and answers, a question/voting module, FAQ module, and pro active chat invitation.