The main development team of this program consists of (alphabetical
order):

 * Xavier Andrade
 * Heiko Appel
 * Alberto Castro
 * Umberto De Giovannini
 * Alain Delgado
 * Florian Eich
 * Johannes Flick
 * Gabriel Gil
 * Adrián Gómez Pueyo
 * Nicole Helbig
 * Hannes Huebener
 * Joaquim Jornet-Somoza
 * Ask Larsen
 * Irina Lebedeva
 * Guillaume Le Breton
 * Martin Lueders
 * Miguel A. L. Marques
 * Sebastian Ohlmann
 * Micael Oliveira
 * Carlo Andrea Rozzi
 * Angel Rubio
 * Shunsuke Sato
 * Christian Schaefer
 * David Strubbe
 * Nicolas Tancogne-Dejean
 * Iris Theophilou
 * Alicia Welden

Former developers

 * Joseba Alberdi
 * Fulvio Berardi
 * Tilman Dannert 
 * Johanna Fuks
 * David Kammerlander
 * Kevin Krieger
 * Florian Lorenzen
 * Danilo Nitsche
 * Fernando Nogueira
 * Roberto Olivares-Amaya
 * Arto Sakko
 * Ravindra Shinde
 * Jose R. F. Sousa
 * Axel Thimm
 * Alejandro Varas
 * Matthieu Verstraete
 * Jessica Walkenhorst
 * Jan Werschnik
 * Philipp Wopperer

octopus is based on a fixed-nucleus code written by:

  * K. Yabana
  * George F. Bertsch

Other contributors are:

  * Sebastien Hamel     - parallel version of oct-excite
  * Eugene S. Kadantsev - linear response code
