Sputnik is a content management system (CMS) designed for extensibility. It works as a wiki out of the box, but can be extended into other things. It offers editable nodes, history and diff, user accounts with optional email validation, a flexible permission system, RSS feeds, and more. Sputnik supports access control and has editable templates. It can be used to maintain a personal Web site that doesn't look like a wiki and that only you can edit. Sputnik is easy to install on shared hosting without root accounts.
AjaXplorer is an easy-to-install file explorer for remotely managing files on a Web server. Its rich GUI makes it accessible to any end-user. Its main features are common file actions (uploading, downloading, moving, renaming, etc.), online file editing, image preview, a bookmarks system, and more. It requires PHP to run and FTP access only for installation.
seedBlogs is a modular building block that lets you add PHP and MySQL-backed dynamic content to any Web site. You design and build your Web site however you want; seedBlogs simply handles the dynamic part. You can plug seedBlogs modules into your Web site wherever you want lists of posts (or books, news, quotes, etc.) to appear. With very little effort, you can create a customized Web site that you and your organization can update and edit from the Web.
GroupServer is a Web-based mailing list manager designed for large sites. It provides email interaction like a traditional mailing list manager but also supports reading, searching, and posting of messages and files via the Web. Users have forum-style profiles, and can manage their email addresses and other settings using the same Web interface. It has supports features such as Atom feeds, a basic CMS, statistics, multiple verified addresses per user, and bounce detection, and is able to be heavily customized.
Tribiq CMS is an multilingual content management system (CMS) and extranet. Tribiq CMS is easy to use, allowing the creation of simple, content-managed Web sites with minimal experience. Yet it is backed up with features that make it powerful enough for an enterprise-level intranet, extranet, or large Web site. Features include an author-publisher system, plugin support, version control, audit trail, WYSIWYG editor, and extranet functionality (based on users and groups).
Learning Management System allows users to manage online learning classes. It allows them to set up classes, create assignments online, and send messages to students from within the system for tracking. It is a simple system to move academic classes onto the Web in order to reach a larger audience.