I usually grow purple sprouting broccoli and various kales. I no longer grow cabbages as they grow beautifully but we never eat them all. I don't grow caulis here either as they don't do well, or they're all ready at the same time, or the caterpillars turn them to green mush. I sometimes grow a little chard but we don't like to eat it often. I don't eat rocket at all, vile stuff, and the only winter salad which works for me is mizuna, which doesn't mind being frozen solid and will grow outside even with deep freezer temps. I keep meaning to sow lamb's lettuce but have only occasionally managed as I get the timing all wrong. I also grow winter leeks.
Some winters here are too cold or too snowy for even the toughest brassicas and leeks, and in some years I've lost the lot, so I now grow some backups in the tunnel.
Depending on your climate, you can sow certain varieties of broad bean to overwinter and possibly be ready a week or two earlier than spring sown. Certain garlic varieties need to be sown in the autumn (about Nov) and you can grow overwintering/Japanese onions