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BasicTrumpet.tar This 1D BSSN code uses the cartoon method to evolve a spherically symmetric black hole on a Cartesian grid. It is described in the following publication:

Probing the puncture for black hole simulations.
J.David Brown (North Carolina State U.)
Published in Phys.Rev. D80 (2009) 084042 e-Print: arXiv:0908.3814 [gr-qc]

It was also used, with some modifications, in these two papers:

Trumpet slices of the Schwarzschild-Tangherlini spacetime.
Kenneth A. Dennison, John P. Wendell, Thomas W. Baumgarte (Bowdoin Coll.), J.David Brown (North Carolina State U.)
Published in Phys.Rev. D82 (2010) 124057 e-Print: arXiv:1010.5723 [gr-qc]

Oppenheimer-Snyder Collapse in Moving-Puncture Coordinates.
Alexa N. Staley, Thomas W. Baumgarte, J. David Brown, Brian Farris, Stuart L. Shapiro.
e-Print: arXiv:1109.0546 [gr-qc]


AMRMG.tar.gz This is our multigrid elliptic equation solver with adaptive mesh refinement, written by Lisa Lowe. It uses a modified version of Paramesh, which is included. Paramesh was developed by Peter MacNeice and Kevin Olson. AMRMG is described in this publication:

Multigrid elliptic equation solver with adaptive mesh refinement
J.David Brown, Lisa L. Lowe (North Carolina State U.)
Published in J.Comput.Phys. 209 (2005) 582-598 e-Print: gr-qc/0411112