Apps similar to bitcoin-rs include Proton Wallet, which is free and open source. Other options are Electrum and Bitcoin Core. In total there are three Crypto Wallets like bitcoin-rs for Mac, Windows, Linux, Android and iPhone.
Proton Wallet is a self-custody wallet, meaning we use end-to-end encryption to ensure that you are the only one with access to your wallet's encryption keys.
Switzerland
Electrum is an easy to use Bitcoin client. It protects you from losing coins in a backup mistake or computer failure, because your wallet can be recovered from a secret phrase that you can write on paper or learn by heart.
Germany
EU
Bitcoin Core is an open source project which maintains and releases Bitcoin client software called “Bitcoin Core”.
