Chyrp is a blogging engine designed to be very lightweight while retaining functionality. It has powerful theme and extension engines, so you can personalize it however you want. The code is well-documented, and it has a very strong structure that's loosely based on the MVC design pattern. Chyrp allows importation from several different blogging engines and uses a system called "feathers", which are basically templates for custom posts.
MojoMojo is a Web2.0 wiki with AJAX live preview, hierarchical structure, tags, diffs, pluggable syntax, permissions/ACL, attachments, RSS feeds, a photo gallery, edit conflict resolution via 3-way merge, themes/skinning, localization, built-in full-text search, and a reverse index. Since it's built on top of the Perl Catalyst Web framework, MojoMojo supports any Web server, and includes its own standalone one. It also support any database backend supported by the DBIx::Class ORM, and has been successfully tested with PostgreSQL, SQLite, and MySQL.
NewsCloud is software you can use to power engaging social media communities. It provides a suite of Facebook-connected interactive features that can help you host a vibrant online community for your neighborhood, topic, community group, nonprofit, membership association, or city. While most content management systems are optimized around publishing, NewsCloud's features offer ways for your audience to participate and lead the site with user generated content. As activity increases, you can integrate advertising and paid content referral systems to capture new revenue streams. NewsCloud is designed to help you move beyond the limitations of Facebook pages.
Alkaline is a PHP content management system (CMS) for creative professionals and small businesses that is designed to be used alone or in conjunction with your own proprietary code. The application handles posts as well as images, and can manage both raster (GIF, JPEG, and PNG) and vector graphics (PDF, SVG). The software features customizable themes, extensions, and more. It can be used by novices (for example, drag-and-drop social network integration) and advanced users (for example, overriding the theme engine). It works with most Web server software, including Apache and Windows Server.
Coffeemade is a CMS for PHP developers that lets you define the data you need managed, like a set of books with title, cover, etc. Afterwards it offers a simple interface for a Webmaster to add, update and rearrange books. You can then use the data however you want, via a small set of PHP functions.
Universaltext Interpreter is a tool to produce written output (e.g. a prose book to be published, a dictionary in both electronic and paper format, or a Web site). It automates logical interdependencies and lets authors concentrate on the content and its structure. To use, an author writes the source information in plain text files or in word processor documents. The content structure is provided with an embedded unobtrusive prefix notation or with self-defined formats. You can navigate and query the source text structure with a script and generate from a single source multiple documents in different formats that extract all or some part of the contents.
CMS Detector is a PHP class that can detect the software used by a site by analyzing its HTML. It takes as input the HTML of a given page and checks if certain HTML tags are present in the page, which usually are associated with certain Web applications. The class returns the list of known applications that seem to be used in the site, as well the URLs of those applications.
I-Metrics CMS is a complete Web content management system that can be used for start-up businesses, blogs, and personal sites. It has scalable functionality. It includes advanced SEO modules, Helpdesk, and an abstraction layer to group Web site content in a custom manner. There is an advanced plugin system and dedicated template/layout mechanism, which greatly simplifies template integration as there are just few basic files to set up a template.