Newly release official online version of Codenames (free, cards in 39 languages). Found it very polished! : r/boardgames
Codenames Game Review - Play and Learn Every Day
Game Night Review Codenames: Deep Undercover – Oh, Julia Ann
A game of association – Codenames!
Virtual Game Night – Theme Party Central
Codenames: Disney Family - IRL Game Shop
Designer Diary: Codenames Online, BoardGameGeek News
Breaking the Codenames' code, or a fun Semi-Turing test
DIY Codenames Game + Free Printable! - mikyla
Codenames Game Review - #BoardGameClub - Serenity You