Multiprecision for modern C++
FPGA acceleration of arbitrary precision floating point computations.
ODE solvers for celestial mechanics
Draught Framework is a software framework that includes a virtual machine environment (Dubbel) a programming language (Stout) and a set of libraries (IPA). Yes i like beer.
64bit version of RaZMandelbrot using MPFR for deep zooms
A cross-platform, multiple-precision GUI calculator.
A CUI Spreadsheet and SQLite DB browser.