The KiWi core system is a flexible platform for building different kinds of semantic social software applications on top (currently the Semantic Wiki and the TagIT application). It provides all the core services required in such applications, like editing and tagging, the storage of content and associated meta-data, its own triple store, transactions and versioning over content and meta-data, a linked open data server, and many small features semantic social software developers will like (like convenience services for working with ontologies or SKOS thesauruses, etc.).
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.
smupcheck, which stands for Smart Update Checker, checks Web sites for updates automatically, even if they don't offer an RSS feed. It is a very basic tool, and does not offer advanced features such as checking password-protected Web sites, highlighting changes, or filtering results.
Sesat is a search middleware with federation capabilities and a built-in search portal framework. It makes it easy to build applications that look for information in many different places simultaneously. It can connect to almost any kind of data source that can be accessed using Java - databases, search indexes, files, back office systems, Web services, and ESBs.
ImdbPHP provides an API to the movie information stored at the IMDb.com site. As this and the name suggests, it is primarily targeted at PHP programmers who want to extend their programs or their site with this movie information. The classes must be used in accordance with IMDb's copyright and conditions of use.
Triplify is a small plugin for database driven Web applications which exposes RDF, Linked Data, and JSON. It is extremely simple to configure by providing some SQL queries and selecting the information to be exposed. It is complemented by a light-weight registry for RDF data sources.