The features described in this section were originally contributed to NAMD by Giacomo Fiorin (NIH) and Jérôme Hénin (CNRS, France) and are currently developed at this external repository:
https://github.com/Colvars/colvars
An updated version of this section can also be downloaded as a separate manual:
HTML: https://colvars.github.io/colvars-refman-namd/colvars-refman-namd.html
PDF: https://colvars.github.io/pdf/colvars-refman-namd.pdf
See section 9.7 for specific changes that affect compatibility between versions. Please ask any usage questions through the NAMD mailing list, and development questions through GitHub.