(1) Original article by Alistair Cockburn, defining “Ports and Adapters” pattern, aka “Hexagonal Architecture”:
https://alistair.cockburn.us/hexagonal-architecture/
(2) “Entre puertos y adaptadores: La Arquitectura Hexagonal” (english with spanish subtitles), a talk by Alistair Cockburn at “Ágiles 2020” (XIII Jornadas Latinoamericanas de Agilidad). :
https://www.youtube.com/watch?v=Sc_B6dQ6di0
(3) “Alistair in the Hexagone”, a talk by Alistair Cockburn. Paris. June 20, 2017:
https://www.youtube.com/watch?v=th4AgBcrEHA&list=PLGl1Jc8ErU1w27y8-7Gdcloy1tHO7NriL
(4) Slides from a lecture by Alistair Cockburn, at Utah Code Camp. September, 2009:
(5) “Hexagonal Architecture FAQ”, questions by Stefane Wojewoda to Alistair Cockburn, at InfoQ in France, when he was there for “Alistair in the Hexagone” talk:
https://web.archive.org/web/20170925184018/http://alistair.cockburn.us/Hexagonal+Architecture+FAQ
(6) “Configurable Dependency Pattern”, by Gerard Meszaros & Alistair Cockburn:
https://web.archive.org/web/20170624023207/http://alistair.cockburn.us/Configurable+Dependency
(7) “Ready for changes with Hexagonal Architecture”, an article by Netflix explaining how they used Hexagonal Architecture:
https://netflixtechblog.com/ready-for-changes-with-hexagonal-architecture-b315ec967749
(8) Thomas Pierrain’s blog, with articles about Hexagonal Architecture:
(9) “Hexagonal Architecture: the practical guide for a clean architecture”, an article by Julien Topçu: