Please visit https://www.hedera.com/buying-guide/ for a list of known third-party wallets across mobile (iOS / Android), desktop, hardware, and custodial, which support HBAR cryptocurrency and instant Hedera account creation.
For instructions on how to instantly create a mainnet account and export your private / public keys using a third-party wallet, please see our FAQ: https://help.hedera.com/hc/en-us/categories/360000099958 (Note: Exodus and Atomic are currently the only wallets which allow key export for use with the Hedera API or SDKs).
Hedera does not endorse or recommend any specific wallet provider.