mtCellEdit is a lightweight spreadsheet program. Its main goal is to provide facilities for simple day-to-day tasks using a minimal graphical user interface. It uses TSV based file formats to ensure that archived data is always accessible to other programs, regardless of operating system, both now and in the future. These "other programs" might be spreadsheet programs, text editors, command line tools, or custom built programs. It is written from scratch and provides all of its core facilities via a library, so any C program can access its API.
Clustertech Parallel Environment (CPE) is a C++ software toolkit for developing MPI-based parallel applicatons. Its ParaConnect module provides a seamless front-end integration to launch and control parallel applications on a grid or a cluster. It also provides application-level libraries including Monte Carlo and Finite Difference with optimized parallelization algorithm.
libgeier is a library to send gathered tax declarations data to the German inland revenue offices (using the Elster2/Coala-approach). It is capable of validating, encrypting, digitally signing, and sending the data, which has to be supplied as an XML tree. It can generate transmission protocols for you. A small command line client is included.
Advanced Graphs and Charts Collection for PHP provides a very easy way to embed dynamically-generated graphs and charts into PHP applications and HTML Web pages. The Graphing components provide various solutions for the incorporation of graphs and charts into Web/intranet pages and applications. Versatile components provide the ability for Web authors and developers to quickly build and publish dynamic and interactive graphs and charts.