My idea is a Sharing Post that would particularly suit apartments or townhouse complexes and provides opportunities for people to share produce. It could be a table with a notice board or even a defunct fridge or bookcase. Residents can leave handmade or home-grown items or even something they have plenty of. This would provide one step in creating a community feeling amongst residents.
Got a dog? Would it like some doggy friends? What about some regular "dog dates" at a local park?
it would be great to enlilven the area around the community centre and shops with some sort of community event with local community organisations, artists/crafters, small business owners etc. The shops tend to be transactional but it would be great to see that area become more of a hub for the suburb, even if only once or more per year.