Sites that I have found useful

Gwynns Sagely Advice http://www.aerosimsolutions.com.au

Parts and ideas from https://flightdeck-solutions.myshopify.com/

https://prosim-ar.com/  Prosim software to emulate a 737 or A320 in all aspects

OpenCockpits   suppliers of cockpit kits or plug and play components

Leo Bodnar   maker of controller cards

Flight Deck Solutions    Realistic Simulator parts made to last, and friendly staff who try and guide you to a lasting solution.

Perth Flight Experience   Get the adrenaline rush of a real cockpit and experience flight in safety.

Prepare3d   Flight simulation software. An immersive environment based on real world satellite imagery

FSUIPC   Software to marry parts of the simulator together and share information between components

WideFS distributed computing and visuals for simulation environments

FSC

Zulu Time converter http://www.timebie.com/std/zulu.php

VatSim Australia https://vatpac.org/