https://liquisabi.com/ tracks coinjoin transactions and allows you to filter them by the coordinator that staged it. It examines each coinjoin and provides statistics such as the anon set of its inputs/outputs, amount of new BTC/remixed BTC, and unsplittable values like change outputs or coordinator leftovers.

You can participate in these transactions to gain on chain privacy using BTCPay Server's coinjoin plugin or Wasabi Wallet.