Exhibit 3.0, a part of the SIMILE Widgets family of tools, is an open source software tool for web-based data publishing. This JavaScript-based browser widget facilitates searching, browsing, navigating and visualization data, and enables users to publish their data collections as websites without requiring programming, a database or access to a server.

Gadget, a part of the SIMILE Widgets family of tools, is an open source command line XML inspector for generating useful summaries from large amounts of well-formed XML data. It is particularly valuable when exploring, migrating or cleaning XML, in addition to evaluating schema emergence. This tool require a Java 1.4 or later compatible virtual machine and Maven 2.0 or above to run.

Gadget is no longer maintained, but information about it is still available via the Internet Archive.

JsTeX, a part of the SIMILE Widgets family of tools, is an open source JavaScript library capable of interpreting basic TeX encodings and transforming them into HTML definitions directly in a web page.

This tool has been retired by SIMILE Widgets, and the website is no longer maintained. Captures of the site are currently available via the Internet Archive.

Timeline, a part of the SIMILE Widgets family of tools, is a free, open source tool for creating interactive timelines from temporal data utilizing JavaScript and web markup in HTML and XML.

TimePlot, a part of the SIMILE Widgets family of tools, is a free, open source DHTML-based AJAXy widget for plotting time series and overlaying time-based events over them. The overlays use the same data formats supported by the related SIMILE Widgets Timeline tool. Timeplots are generated with a combination of JavaScript and HTML.

Welkin is a free tool for visualizing complex RDF models offered for download by the SIMILE Project. Rather than permitting users to focus on specific nodes, it provides analytical views such as an overview of a dataset's connectivity or potential mappings between resources and ontologies. It runs best through Java WebStart and is compatible with Windows, OS X and Linux.