| April 2 | 2015 | J. Daniel Gezelter | Open source and open data should be standard practices |
| July 16 | 2015 | Anna I. Krylov et al. | What Is the Price of Open-Source Software? |
| September 14 | 2015 | Vedran Miletić | What Is the Price of Open-Source fear, uncertainty, and doubt |
| January 21 | 2016 | Christoph R. Jacob | How Open Is Commercial Scientific Software? |
Last updated: Oct 23, 2021, by Gerrit C. Groenenboom, e-mail: gerritg at theochem.ru.nl