Check out the ABC vote compass!
It’s a super handy tool that asks you questions on key election issues, and then compares your answers to where the parties stand. It’s not a ‘this is who you should vote for’ thing, but a handy guide to see which parties agree with you on issues that are important to you.
You can also check out this article that let’s you pick the issue/issues you’re passionate about and then read through what the parties are promising.