Armory is a wallet that is an advanced Bitcoin client that extends its features for advanced users. It offers many options to backup, encrypt and allow the storage of your wallet on offline computers.
This wallet gives the user full access to their digital assets, this means that there are no third party options in this wallet.
This wallet for use requires the user to download full node software that validates and retransmits transactions on the Bitcoin network. This means that trust in a third party is not required when verifying payments.