Joomla User Group London (#JUGL)
Site: https://www.joomlalondon.co.uk
Twitter: https://twitter.com/joomlalondon

** Joomla London User Group (#JUGL) Zoom Meetups: 3rd Tuesday of EVERY Month (19:00) **

Phil Walton
Site: https://www.softforge.co.uk
Twitter: https://twitter.com/softforge

Eoin Oliver
Site: https://www.squareballoon.co.uk
Twitter: https://twitter.com/imsquareballoon
LinkedIn: https://uk.linkedin.com/in/eoinoliver

3rd Party Extension, Joomla Component Builder by Llewellyn van der Merwe
Site: https://www.joomlacomponentbuilder.com/
Github: https://github.com/vdm-io/Joomla-Component-Builder
Twitter: https://twitter.com/llewellynvdm

Joomla!
Site: https://www.joomla.org

Try Joomla!4 yourself: https://launch.joomla.org/
https://www.youtube.com/watch?v=Ls9JVUnNzz4