Matrex is a lightweight vectorial spreadsheet. It calculates blocks of values, not single cells. It is strongly multi-threaded. Users can work together on sheets using a server. It has adapters to MATLAB, Scilab, Octave, and R.
Rowscope is a file viewer for large text files. It can read files larger than 1 GB. It is very fast, taking only a few seconds to examine a 1GB file, and it never blocks.
A tool for securing DNS communications between a client and a DNS resolver.
A polyhedral extraction tool (PET).