OpenTeacher is a vocabulary training application that helps you learn a foreign language. It uses a list of words in both a known and a foreign language and tests you. It supports smart question asking and interval training with Think answers, shuffle answer, and repeat answer input modes. It has easy symbol, Greek, and Cyrillic input, and reads and writes T2K (Teach2000) and WRTS files, and reads ABBYY Lingvo Tutor files. It is available in Arabic, Australian English, Brazilian Portuguese, Chinese (Traditional), Croatian, Czech, Danish, Dutch, French, German, Hebrew, Hungarian, Japanese, Korean, Polish, Russian, Serbian, Slovenian, Spanish, Swedish, and Turkish.
Groonga is a fast and accurate full text search engine based on an inverted index. Newly registered document instantly appears in search results, and updates are allowed without read locks. These characteristics result in superior performance for real-time applications. It is also a column-oriented database management system (DBMS). Compared with well-known row-oriented systems, such as MySQL and PostgreSQL, column-oriented systems are more suited for aggregate queries.
CMDBuild (Configuration and Management Data Base) is a fully configurable Web application for managing asset lifecycles. It includes workflow, report, dashboard, attachment archiving, and georeference functions. It supports the management of hardware devices (client and server computers, peripheral devices, network and phone equipment), software (basic, environment, application), services, and documents (contracts, manuals). However it can be used as a standard asset management system (real estate, inventory, maintenance process, etc). It is also a framework suitable for applications that manage office business using workflows.