Matthew Fidler [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-8538-6691>)

Marco Geraci [aut, cph, cre] (ORCID:
    <https://orcid.org/0000-0002-6311-8685>),
  Alessio Farcomeni [ctb]

Jelmer Ypma [aut],
  Steven G. Johnson [aut] (author of the NLopt C library),
  Aymeric Stamm [ctb, cre] (ORCID:
    <https://orcid.org/0000-0002-8725-3654>),
  Hans W. Borchers [ctb],
  Dirk Eddelbuettel [ctb],
  Brian Ripley [ctb] (build process on multiple OS),
  Kurt Hornik [ctb] (build process on multiple OS),
  Julien Chiquet [ctb],
  Avraham Adler [ctb] (ORCID: <https://orcid.org/0000-0002-3039-0703>),
  Xiongtao Dai [ctb],
  Jeroen Ooms [ctb],
  Tomas Kalibera [ctb],
  Mikael Jagan [ctb]

Kurt Hornik [aut, cre] (ORCID: <https://orcid.org/0000-0003-4198-9911>)

Florian Schwendinger [aut, cre],
  Kurt Hornik [aut]

Thomas Charlon [aut, cre] (ORCID:
    <https://orcid.org/0000-0001-7497-0470>),
  Doudou Zhou [ctb] (ORCID: <https://orcid.org/0000-0002-0830-2287>),
  CELEHS [aut] (<https://celehs.hms.harvard.edu>)

Fernando Miguez [aut, cre] (ORCID:
    <https://orcid.org/0000-0002-4627-8329>),
  Caio dos Santos [ctb] (author of SSscard),
  José Pinheiro [ctb, cph] (author of nlme::nlsList, nlme::predict.gnls,
    nlme::predict.nlme),
  Douglas Bates [ctb, cph] (author of nlme::nlsList, nlme::predict.gnls,
    nlme::predict.nlme),
  R-core [ctb, cph]

Jan Salecker [aut] (ORCID: <https://orcid.org/0000-0002-9000-4229>),
  Marco Sciaini [aut] (ORCID: <https://orcid.org/0000-0002-3042-5435>),
  Marina Papadopoulou [rev] (Marina reviewed the package for ropensci,
    see <https://github.com/ropensci/software-review/issues/262>),
  Sebastian Hanss [cre] (Package maintainer together with Jan Salecker)

Daniel Padfield [aut, cre],
  Granville Matheson [aut],
  Francis Windram [aut]

Nora Umbach [aut, cre],
  Katharina Naumann [aut],
  David Hoppe [aut],
  Holger Brandt [aut],
  Augustin Kelava [ctb],
  Bernhard Schmitz [ctb]

Florent Baty [aut],
  Marie-Laure Delignette-Muller [aut],
  Aurelie Siberchicot [aut, cre]