Taverna is a collection of workflow enactment and description components, including a high level language for workflows called Scufl (Simple Conceptual Unified Flow Language), a pure Java object model, parser to populate the model, and a set of views and controllers (including some Swing components to drop into your workflow-enabled applications). In order to actually run workflows you also need the myGrid workflow enactment engine.
Kraken is an application for managing knowledge objects, which can be documents, remote or locally cached Web pages, personal information, todo list items, appointments, and so on. It is especially useful for researchers or students to manage their information. Users can annotate these knowledge objects with metadata, perform complex queries, and present the results as HTML pages. Kraken uses RDF as its native format, allowing its data to be easily read by external applications.
The Video Performance Evaluation Resource (ViPER) is a toolkit of Java programs and scripts that enables evaluation of video processing algorithms. This includes a markup tool for video, a performance evaluation tool that compares how well result data matches ground truth video metadata, and scripts and systems for running sets of experiments.
Haystack is a powerful tool designed to enable each and every individual manage all of her information in the way that makes the most sense. By removing the arbitrary barriers created by applications that only handle certain information "types", and recording only a fixed set of relationships defined by the developer, users can define whichever arrangements of, connections between, and views of information they find most effective. Such personalization of information management will dramatically improve your ability to find what you need when you need it.
Samizdat is a generic RDF-based engine for building collaboration and open publishing Web sites. It provides users with the means to cooperate and coordinate on all kinds of activities, including media activism, resource sharing, education and research, advocacy, and so on. It intends to promote values of freedom, openness, equality, and cooperation.
AnnotateIt! is an open source electronic response system targeted at composition instructors and students. It allows a user to annotate HTML and provides facilities for group interaction. Annotations may be either hyperlinked or inline, depending on the user's preference. It also features reporting of meta information (annotation types and counts), predefined annotations, community annotations, conversion of documents to HTML for annotation, easy document management, and an assignments calendar.
mod_musicindex is an Apache module aimed at being a C alternative to the Perl module Apache::MP3. It allows nice displaying of directories containing MP3, Ogg Vorbis, FLAC, or MP4/AAC files, including sorting them on various fields, streaming/downloading them, constructing playlists, and searching. It also provides features such as RSS and Podcast feeds, multiple CSS support, and archive downloads.