I'm the developer of Fediverser Project, which is a set of services to make it easy for people on Reddit to migrate to the Fediverse. It lets people use their Reddit credentials (OAuth) to sign up and create an account on a Lemmy server.
It also offers a cool onboarding feature: during signup, we can fetch the user's subscribed subreddits, and we use this information to automatically subscribe them to the corresponding Lemmy (or Kbin/Mbin) community. This "subreddit -> fediverse group" map is crowdsourced and people can sign up if they want to contribute. The "main" site also provides a "Find an instance" feature: it can track all the servers that use the Fediverse software and redirect users to their closest instance.
To enable this service, the Lemmy admin needs to add a couple of docker services to their setup and needs to get their own Reddit API key (which is used only for authentication, so well within the rate limits and certainly not incurring any prices).
I'd really like to see aussie.zone becoming part of the network. I believe this would make it faster and simpler to get more people in the fediverse, and I'm willing to provide all the support and help needed to get the "country-based" services getting started with it.
Any questions, don't hesitate to ask.