Hastymail is a full featured IMAP/SMTP client written in PHP. The goal is a full featured yet lightweight Web mail client. After a complete review and rewrite, it provides many improvements over the original code including optional AJAX functionality, improved code organization, a plugin API, CSS and PHP template themes, and much more.
Amun is a content management framework based on the PSX framework. The goal is to build a more federated and programmable Web. This is achieved by providing a RESTful API for managing and distributing the content in standard formats like JSON, XML, Atom, and RSS. It tries to support open standards like OAuth, OpenID, etc., and gives you the freedom to access the data of a Website in the way you like. It tries to enable easy communication from server to server, browser to server, and application to server.
Cosmiqum is small and fast CMF that is aimed to make any site quickly. Almost all of its functionality is implemented through plugins. Any plugin can register a filter for a specific event and any plugin can be a filter, which is useful for plugins that need to process another plugin's data. Every action in the core is logged and any plugin can log any of its actions. PHP errors are not displayed to the user, but the developer can get them from a specific array. Different configurations can be used for different hosts.
osclass is Web-based software for creating classified ads. The ads can be general or specialized by category (such as cars, jobs, or real estate). It is easy to install on private/dedicated or shared hosting services. It has lots of options for customization. It is integrated with the TinyMCE WYSIWYG editor. It can be extended through modules (for vertical ads) or extensions (plugins). It supports multiple languages. The look and feel are can be changed with themes. It is SEO friendly. It has an integrated search engine with full text support. An unlimited number of categories and sub-categories can be defined. It has anti-spam facilities that are enabled out of the box (with CAPTCHAs and Askimet).