qheadpace is a terrrific resource for LGBTQI+ youth as it has up to date resources from a number of organisations as well as chat rooms and other spaces to interact and share supportive info with other youth who might be going through a tough time. It also has resources for those supporting a young person, toolkits and a library of resources contributed by the community.
The main headspace website contains a number of excellent resources and supports. Click here to explore them.