Foswiki is wiki software, supporting the editing of Web pages in an ordinary Web browser by end users. What makes Foswiki special is that it supports the embedding of active and passive macros that enhance the page content (e.g. with global or dynamic information) and allow end-users to build applications that store and process data in a structured manner.
libscgi is a library offering a useful API for SCGI client programs written in C. The library additionally comes with a small SCGI server used for relying the incoming connections from the HTTP server to the client application. It allows writting SCGI based persistent Web applications in C. It is part of ASNlibs.
Conquest is a simultaneously-executed turn-based tactical combat game placed in a dark and distant future. Play the role of a futuristic commander. Divide your armies and conquer the world. Position satellites to reveal your opponents. Launch missiles to annihilate big armies, but watch out for incoming drop pods behind your back. Standing in your path to victory are other commanders like yourself. Fight them off one by one and prove you are the greatest of the great. The combination of fast gameplay and randomly generated maps equals intense, restless nights of battles for cities. Drag and drop your way to victory.
pyratemp is probably (one of) the smallest complete template-engines for Python (with about 500 LOC). It has a very small set of special syntax in the templates. This reduces complexity and the probability of bugs and lead to an easy-to-use and intuitive user-interface. It uses embedded Python-expressions (in a "sandbox"), is well documented, has full Unicode-support, and produces very good error-messages, which is very useful when creating new templates.
Zimplit CMS is a Web-based content management system which enables users to create professional Web sites without being a Web developer or hiring one. Editing a Web site is extremely easy thanks to an "On-site" editor. The editor is on the Web site like an ordinary visitor, except that on every editable page, a small toolbar makes it possible to create pages, change texts, and add pictures, galleries, and videos. Users can use any CSS/HTML template they wish.
lamos is PHP-based software for bookmark management and exchange. Links/bookmarks for multiple users are stored in a database and can be retrieved and added via a Web frontend. lamos supports hierarchical categories for links and includes a simple search function. The idea is to allow synchronization of bookmarks between different browsers, systems, and places with a single service that can be accessed from everywhere.
VStarBlogEngine is a lightweight multi-user/single-blog engine intended for bloggers who need a simple, fast, and reliable blogging platform. It is built as an alternative to existing heavily-armored blog engines, such as Wordpress, Drupal, and others. It features fast and secure blogging, quick threaded commenting with CAPTCHA, multi-language support with UTF-8 database encoding, subscription to comments, tags support, spam filtering, RSS support, LiveJournal cross-posting, and Wordpress database import. It does not feature self-registration, OpenID, a visual editor, plugins, widgets, etc.