Is there a forging pool, or a way to delegate coins to another node?
No, unfortunately our blockchain doesn't support leasing balances. Only way to be available to forge is having more than 1000 XEL in a wallet that you control and push forging button. We can read our wiki
https://wiki.xel.org/forging.
Detail : If you forge through webwallet there is no need to have the wallet open.