A full featured cross-platform image library
Developer's Image Library (DevIL) is a cross-platform image library utilizing a simple syntax to load, save, convert, manipulate, filter and display a variety of images with ease.
qrupdate is a Fortran library for fast updates of QR and Cholesky decompositions.
Iterate is an implementation of the Bravais-lattice-finding algorithm from: Andrews and Bernstein, Acta Cryst. (1988). A44, 1009-1018 Lattices and Reduced Cells as Points in 6-Space and Selection of Bravais Lattice Type by Projections.
Command-line tools for astronomy and astrophysics
Command-line tools for astronomy and astrophysics, written in Fortran.
ProgPorts is an administrative and easy user interface to hundreds of proteomics, molecular dynamics, and protein crystallography programs. It is a hybrid of the prog/setup system, developed at Johns Hopkins University, and GNU-Darwin ports system.
Now on beta status. Maintence of a dedicated amateur server using open source software and implementeing all of them. The projects have a bug tracker, wiki, community portal, forums, mail list and a lot of more.
A calculator capable of complex arithmetics
A command line calculator capable of complex arithmetics.