Downloads and Documentation A range of software and documentation is available for download below. AMBER 6.7.1 For licensed users AMBER 6.7.1 Demo Free demonstration version & documentation Graph Grabber 2.0.2 Retrieves data from graph image files PHREEQC PITZER database Thermodynamic database for PHREEQC QPAC Publications Publications and white papers TESLA 2.2 Evidence Support Logic - Decision Support Software