oXygen is an XML editor that supports any XML document, and works with XML Schemas, DTDs, Relax NG schemas, and NRL Schemas. It has powerful transformation support that allows you to edit XSLT and XSL-FO documents and to obtain documents in the desired output format (such as HTML, PS, or PDF) with just one click. It also includes a complete Subversion client, support for flattening XML Schemata, an XML Schema instance generator, integration with the X-Hive/DB, MarkLogic and TigerLogic XML databases, editing actions on the diagram, and a rename refactoring action.
Xapian is a search engine library, scalable to collections containing hundreds of millions of documents. It's written in C++ with bindings for Perl, Python, PHP, Java, Tcl, C#, Ruby, and Lua. It is a highly adaptable toolkit that allows developers to easily add advanced indexing and search facilities to their own applications. It supports the Probabilistic Information Retrieval model and also a rich set of boolean query operators. Omega is a Web search application built upon the Xapian library. It can index a Web server's document tree (including HTML, PDF, OpenOffice, MS Word/Excel/Powerpoint/Works, WordPerfect, RTF, PS, etc.), or data exported from arbitrary sources (e.g. SQL databases).
Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and grids. It is based on a hierarchical design targeted at federations of clusters. Ganglia is currently in use on over 500 clusters around the world and has scaled to handle clusters with 2000 nodes.
KTML is a browser-based WYSIWYG HTML editor that facilitates easy content formatting using its advanced table and image manipulation features. Unlike other online editors, it supports most platforms and configurations, providing users with advanced text and paragraph formatting capabilities as well as CSS support and easy HTML tag selection. It also features advanced image manipulation, an effective spell checking module, and a Server Behavior for Dreamweaver MX.
Absolut Engine is a PHP/MySQL framework built on the basis of a former news publishing system. It features 3 layer access, article posting, editing, and deleting. Included are a basic image and file manager as well as a related articles manager. Rich text editing is provided via a built-in WYSIWYG editor that produces XHTML 1.0 Strict compliant code. It is easy to extend via the module functionality. It is fully configurable and easy-to-use. Modules include discussions, surveys, RSS feed export and import, search engine optimization, a messaging system, weather reports, and Google Maps.