Any advice from latelings on what's available online for ancients (I'm 71) for socialising

I'm recently diagnosed, and have thus missed out on a near lifetime of potential links with humans like myself.

I've had plenty rejections in the neurotypical world, so have more or less stopped trying.

I think online would suit me best, for a couple of reasons. It feels safer, and I'm in Scotland so face to face resources appear to be thinner on the ground, unlike in London and the South.