The State Government Office for Recreation, Sport and Racing has advice on staying active during the pandemic https://www.orsr.sa.gov.au/home/how_to_stay_active
Belgravia Home Fitness Network
24 hours 7 days a week
Run by Belgravia Group who operate the Mount Barker Recreation Centre and the Mountain Pool. For $7.50 per week, the Home Fitness Network provides you with access to over 100+ workouts including a weekly virtual timetable to help you to plan your week.
The Australian Fitness Academy recommends some apps for fitness and mental health https://www.fitnesseducation.edu.au/blog/industry-trends/the-best-health-and-fitness-apps-of-2019/