We are asking users to fill out the simple form below, so that we can justify our existence by having a record of who is using the code. Please visit http://ambermd.org to look for bug fixes and updates. To download version 12 of the AmberTools distribution (about 90 Mbytes!) please fill in the following form and click the "Download" button.
Note: Installation instructions (which have changed slightly from previous versions) are in Section 1.2 of the AmberTools12 Reference Manual. More detailed instructions for many machines may be found a Jason Swails' blog page.