Created by Radix DLT, the company that develops and launched Radix.
For any non trivial sums of XRD, it is highly encourage you to use the Radix Desktop Wallet in conjunction with either the Ledger Nano S or Ledger Nano X hardware wallets. You can read how to use these devices with the Radix Desktop Wallet in the linked article.
Use of hardware wallets is generally considered more secure than software wallets, as your private key is stored in a security chip on a device that does not expose it to the internet. If you do not have a hardware wallet or cannot use one, there is some addditonal advice on how to secure crypto software wallets linked from the introduction article.
Radix List does not vet or verify projects that gets listed. It's important that you are aware of this before considering to invest time and money in the projects listed here. There is a possibility of scams and money grabs. Do your own research (DYOR) and be cautious.