enuts also has a sweet "swap mint" function under mint management that allows you to move funds to a different mint in enuts. All ecash can be "melted" to your self custodial lightning wallet if you choose. 

minibits functions as a custodial lightning wallet where the balance is kept as ecash - the ln bridge is both ways

you can receive ln payments as ecash
you can pay ln invoices from ecash balance

your note can get zapped to your minibits address if it is in your ln address of your nostr profile and it automatically arrives in minibits wallet as ecash

you can zap in nostr client and approve automtically in minibits, two clicks 

Amethyst also has slick redemtion of ecash tokens that are dm'd via nostr contacts as you can send ecash to any npub via minibits