Calligra is an integrated suite of applications that cover office, creative, and management needs. It offers applications on both desktop computers and mobile platforms like tablets and smartphones. OpenDocument Format (ODF) is used, making it compatible with OpenOffice.org, LibreOffice, and Microsoft Office. Calligra Suite contains the following applications: Calligra Words (word processor), Sheets (spreadsheets), Stage (presentations), Flow (diagrams and flowcharts), Kexi (visual database creator), Braindump (note taking), Plan (project management), Krita (drawing), and Karbon (vector graphics).
LogicalDOC is a Web-based document management system that is easy to use and learn. Its architecture leverages best-of-breed Java technology to achieve a powerful and flexible solution. It supports its users with a powerful search engine (Lucene), Web service interface (JAX-WS via CXF) compatible with .NET and PHP, versioning, annotation on documents, a WebDAV interface, importing and exporting from .zip files. Documents can be organized into hierarchical folders, searched using the integrated search engine, or browsed by Tag. The system is extensible thanks to the technologies used (Spring-Hibernate) and its plugin architecture.
TKDO is a master TODO list with command line and PyGTK interfaces. It takes all your VimOutliner todo.otl outlines, merges them into a single flat list, auto-sorts them, filters them, and adds support for things like contexts and recurring events. It also has a snooze button, to mark tasks as "don't bug me about this for a while". The entire system is based on plain text files, with a GUI to make certain tasks easier and faster. Due to its plain text nature, it's easy to extend or customize the system with short scripts.
OrionSMG is a secure message gateway for transporting ebXML, SOAP, and custom message formats. It complies with the OASIS ebXML 2.0 specification, and can act in both intermediary and processing MHS roles to provide end-to-end reliable messaging. The program runs natively on Linux, OS X, and Windows with ODBC/PostgreSQL database support.
The Linear and Non-Linear Optimization Solver (or simply the Optimization Solver) is designed to compute an optimized set of decision variables that either maximize or minimize a given objective function while also satisfying a set of arbitrary constraints. It is widely used in the field of operations research, and is a very useful business and scientific tool that will help you make an informed decision on a multitude of complex scenarios that you may encounter in your day-to-day business operations or scientific research.