A curated list of Identicons-like (Avatars, Identicons, and Hash Visualization) original ideas and libraries, sorted by date of appearance
The drunken bishop algorithm for OpenSSH RandomArt, by Alexander von Gernler — 2008, based on random art concept of Perrig and Song paper — 1999
![]()
![]()
MonsterID, by Andreas Gohr — 2007
![]()
Wavatars, by Shamus Young — 2007
![]()
WP-Identicon, by Scott Sherrill-Mix — 2007
![]()
Retro, by Gravatar — 2010?
![]()
Vash, by Terrence Cole — 2011
![]()
RoboHash, by Colin Davis — 2011
![]()
Stitchy, by Martin Schneider — 2012
![]()
Github Identicon, by Jason Long — 2013
![]()
Bubble Identicons, by Doug Akridge — 2014
![]()
jdenticon, by Daniel Mester Pirttijärvi — 2014
![]()
Blockies, by Alex Van de Sande — 2014
![]()
Adorable Avatars, by Jim Remsik— 2014
![]()
FlatHash, by Roberto Horta — 2014
![]()
IdentiHeart, by Guillaume Schlipak — 2015
![]()
Florash, by Francois Lafortune — 2015
![]()
Jazzicon, by Dan Finlay — 2016
![]()
Ringicon, by Andreas Gohr — 2016
![]()
Circular Identicons, by Agni Flechette — 2017
![]()
Gradient Avatars, by Tobias Lins — 2017
![]()
HashIcon, by Richard Schumann — 2018
![]()
Hexicon, by Jon Van Oast — 2018
![]()
Hydro-Snowflake, by Rawad Ahmad Salhab — 2018
![]()
Pictogrify, by Lúcio Rubens — 2018
![]()
monKey, by Amir Hagafny — 2018
![]()
Polkadot-Identicon, by Pokadot — 2018
![]()
LifeHash, by Wolf McNally and Blockchain Commons - 2018
![]()
Solacon, by Jon Van Oast - 2021
![]()
QR-code, by Denso-Wave — 1994
It’s not clear who come first with the First Letter & Initials Avatars concept, (widely used by Google GMail) but there are several open source libraries from 2014, such as LetterAvatar, Letterpic and ngletteravatar
![]()
Letter Avatar — 2014
![]()
Anonymous animals, by Google docs — 20??
git checkout -b my-new-identicon)git commit -am 'Add some identicon')git push origin my-new-identicon)