Megnat is a open-source / third-party / non-official wallet app for Tangem cards.

GitHub: https://github.com/vilicvane/megnat

It is created to unleash the full potential of Tangem cards and provide a possibly better experience for certain use cases.

Highlights:

- Transaction data decoding & verification against source code if available.
- Add multiple wallets on a single card.
- Import & sign with private key wallet (so your wallet with vanity address can be safely stored on the card).
- Respect dApps' gas price settings, big big money saved over time.
- Custom chains support for advanced users.