Antechamber is now part of AmberTools, which is distributed under the GNU General Public License (GPL), and is available here.

Download earlier versions of programs ...

N.B.: these versions are no longer recommended or supported. They should only be needed if you need to track down what happened in some old calculation.

antechamber package Version 1.27 ( antechamber-1.27.tar.gz ) antechamber package Version 1.26 ( antechamber-1.26.tar.gz ) antechamber package Version 1.25 ( antechamber-1.25.tar.gz ) antechamber package Version 1.24 ( antechamber-1.24.tar.gz ) antechamber package Version 1.23 ( antechamber-1.23.tar.gz ) antechamber package Version 1.22 ( antechamber-1.22.tar.gz ) antechamber package Version 1.21 ( antechamber-1.21.tar.gz ) antechamber package Version 1.2 ( antechamber-1.2.tar.gz ) antechamber package Version 1.1 ( antechamber-1.1.tar.gz ) antechamber package Version 1.0 ( antechamber-1.0.tar.gz ) GAFF Paper ( gaff.pdf) Manuscript of Antechamber Paper ( antechamber.pdf)

To install the old packages:

Download the antechamber package antechamber-1.x.tar.gz Read the License , note that both antechamber and tleap codes are provided under the GNU General Public Library, Version 2. Use 'gunzip' to uncompress and then use 'tar xvf' to unpack the antechamber-1.x.tar.gz file. Set up the ACHOME environment variable to point to where the antechamber package resides on your machine, for example setenv ACHOME /usr/local/antechamber-1.x set path=($ACHOME/bin $path) This is a sample .cshrc file Go to the $ACHOME and type "make" to install antechamber package