The broker of the company Fidelity Investments offers investment opportunities in many different areas for 0$ commission.
It also offers various credit line options and leveraged investing.
Connection via Open Banking
You can link your Fidelity account to getquin via Open Banking Connection. To do this, select Fidelity as broker in the new portfolio creation, go to "Automatic connection" and enter your access data.
Manual import
If you want to import your portfolio, you can create your transactions manually.
Want to learn more about this? Here is an article for you.