PySite is not a CMS in the traditional sense. Rather, you manage the contents of a Web site via a file manager interface, which gives you access to all settings (pages, styles, plugins, etc.). Compose your pages with Jinja templates, and edit your code comfortably with syntax highlighting in the ACE editor. You may write your stylesheets in Sass and let the integrated compiler write CSS files. PySite also contains a facility to manage virtual mailboxes, in case you maintain your own SMTP and IMAP server, e.g. with Postfix and Dovecot.
Simblog aims to be one of the most easy-to-use and lightweight blogging platforms. It emphasizes user experience, workflow, and ease of use without neglecting usability and extensibility. It will take full advantage of what HTML5 and CSS3 have to offer without delving too deeply into experimental features. It is built on its own lightweight framework, which allows a high degree of extensibility and modularity for your blog. It uses Smarty as a templating engine (which also provides a caching mechanism), jQuery and Kendo UI for frontend design, and MySQL as a database.
Magento Blog is an extension that provides blog functionality for Magneto. It features RSS integrated with the native RSS feed, multi-store RSS, the ability to switch the blog on/off blog for different stores, a latest posts widget, switchable category ID in the blog post URL, a switchable categories menu, tags, and an option to have comments per page.
Blite is a lightweight blog application with a focus on simplicity and ease of use. It provides the essential features of a blog, including categories, archives, and comments. It can easily be themed by modifying a stylesheet and a few simple templates. Blite pages are fast-loading and validate as HTML 4.01. Comment spam is filtered to a spambox (by the use of blogspam.net), where it can be reviewed and deleted (or published). Blite requires PHP 5.3 (or later) with the sqlite extension, and the xmlrpc extension for comment spam filtering.
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.
Sandbox is a personal Web site package that provides you with a blog, image gallery, file download area, and the ability to create miscellaneous custom Web pages. Many other blog/Web site packages like Wordpress only do one thing. Most blog packages do not also provide a good image gallery or a good downloads module. You can get these things in separate packages, but integrating them into one site is difficult, involving code bridges and incompatible skinning systems. Sandbox aims to have all of these things integrated into one package.