Timothy A. Myers [aut, cre] (<https://orcid.org/0000-0001-8127-3446>),
  Stephen J. Chanock [aut],
  Mitchell J. Machiela [aut] (<https://orcid.org/0000-0001-6538-9705>)

Yi-Juan Hu [aut, cre],
  Glen A Satten [aut]

Eero Liski [aut],
  Klaus Nordhausen [aut, cre] (<https://orcid.org/0000-0002-3758-8501>),
  Hannu Oja [aut] (<https://orcid.org/0000-0002-4945-5976>),
  Anne Ruiz-Gazen [aut] (<https://orcid.org/0000-0001-8970-8061>)

Hung Nguyen [aut, cre],
  Stefano Galelli [ctb]

Ramin Mojab [aut, cre],
  Stephen Becker [cph] (BSD 3-clause license. Original code for L-BFGS-B
    algorithm. The L-BFGS-B algorithm was written in the 1990s (mainly
    1994, some revisions 1996) by Ciyou Zhu (in collaboration with R.H.
    Byrd, P. Lu-Chen and J. Nocedal). L-BFGS-B Version 3.0 is an
    algorithmic update from 2011, with coding changes by J. L. Morales)

Johannes Titz [aut, cre, cph],
  Sergio Verduczo-Flores [cph],
  Randall O'Reilly [cph]

Andreas Hofheinz [cre],
  Peter Gandenberger [aut]

Tim Appelhans [cre, aut],
  Christoph Reudenbach [ctb],
  Kenton Russell [ctb],
  Jochen Darley [ctb],
  Daniel Montague [ctb, cph] (Leaflet.EasyButton plugin),
  Lorenzo Busetto [ctb],
  Luigi Ranghetti [ctb],
  Miles McBain [ctb],
  Sebastian Gatscha [ctb],
  Björn Harrtell [ctb, cph] (FlatGeobuf plugin),
  Daniel Dufour [ctb, cph] (georaster-layer-for-leaflet),
  Yeedle Neuwirth [ctb],
  Derek Friend [ctb],
  Kevin Cazelles [ctb] (<https://orcid.org/0000-0001-6619-9874>)

Tim Appelhans [cre, aut, cph],
  Colin Fay [ctb] (<https://orcid.org/0000-0001-7343-1846>),
  Robert Plummer [ctb] (Leaflet.glify plugin),
  Kent Johnson [ctb],
  Sebastian Gatscha [ctb]

Thomas Roh [aut, cre],
  Ricardo Rodrigo Basa [ctb]

Joe Cheng [aut, cre],
  Barret Schloerke [aut] (<https://orcid.org/0000-0001-9986-114X>),
  Bhaskar Karambelkar [aut],
  Yihui Xie [aut],
  Hadley Wickham [ctb],
  Kenton Russell [ctb],
  Kent Johnson [ctb],
  Vladimir Agafonkin [ctb, cph] (Leaflet library),
  CloudMade [cph] (Leaflet library),
  Leaflet contributors [ctb] (Leaflet library),
  Brandon Copeland [ctb, cph] (leaflet-measure plugin),
  Joerg Dietrich [ctb, cph] (Leaflet.Terminator plugin),
  Benjamin Becquet [ctb, cph] (Leaflet.MagnifyingGlass plugin),
  Norkart AS [ctb, cph] (Leaflet.MiniMap plugin),
  L. Voogdt [ctb, cph] (Leaflet.awesome-markers plugin),
  Daniel Montague [ctb, cph] (Leaflet.EasyButton plugin),
  Kartena AB [ctb, cph] (Proj4Leaflet plugin),
  Robert Kajic [ctb, cph] (leaflet-locationfilter plugin),
  Mapbox [ctb, cph] (leaflet-omnivore plugin),
  Michael Bostock [ctb, cph] (topojson),
  Posit Software, PBC [cph, fnd]