Public
https://share.public.com/gmoneybsquad
This is an offer for $15 in a free stock of your choice. If you choose a stock that is more than $15, you get fractional shares. But it gives you a chance to get a piece of a company you might like such as Tesla or Apple instead of a share of Nokia or Ford.
WeBull.
https://act.webull.com/pm/hQhr6GJmlSTZ/q8y/inviteUs/
This is an offer for up to 4 free stocks. You get 2 free stocks for signing up with no deposit required, and you get 2 more free stocks if you deposit $100 or more. WeBull also lets you trade from 4am - 8pm, and it lets you trade bitcoin, litecoin, ethereum, and bitcoin cash.