Trezor hardware wallets support hundreds of coins and tokens, both natively in Trezor Suite and by securely connecting to 3rd party wallets.
Native support of Bitcoin, Ethereum (and all ERC-20 tokens), Cardano, Litecoin, Ethereum Classic, XRP, Dogecoin, plus some other coins means that you will be able to add, receive and send them directly in the Trezor Suite application for desktop or web.
Some coins, for example Monero (XMR), Stellar (XLM), Tezos (XTZ) are supported by Trezor firmware but are not yet implemented in the Trezor Suite app. For these, you need to use a 3rd party wallet mentioned on the coins list.
Please note that when you link your Trezor to any of the supported 3rd party wallets, your security is never compromised as your private keys are always stored on your Trezor device and never leave it.
You can learn more about Trezor device compatibility with 3rd party apps here.
It is important to understand the difference between coins (which have their own blockchain) and tokens (which exist on some blockchain). For example, USDT can be issued on the Ethereum blockchain as an ERC-20 token.
Trezor natively supports all ERC-20 tokens. You can simply send them to your Ethereum address in Trezor Suite. The application will automatically recognize the transaction and add your new token under the Ethereum account.
Many popular coins use EVM-compatible networks which are supported by Trezor. Some examples of such networks are Binance Smart Chain, Polygon, Avalanche, and Cronos, among others.
Tokens can be issued on those networks in the same way as ERC-20 tokens are issued on the Ethereum network.
Trezor users can easily access and manage such coins and tokens with the help of 3rd party wallets.