There's so many it would take me all day. Desktop: Sparrow Nunchuck Bitcoin Keeper Mobile: Nunchuk Electrum Bitcoin Keeper Hardware Signers: Coldcard Q Foundation Passport Keystone Pro 3 Basic instructions: 1. Create a seed phrase using a hardware signer. 2. Create a wallet in any above bitcoin softwares. 3. Assign your key (seed phrase) to the wallet 4. Write you seed phrase down for backup on something durable (steel preferred) 5. Send bitcoin to an address in your wallet. That is how.