These are some of the tools or services that I personally tried and found them working well.
Sign up with the link below, and (usually) both of us will benefit a bit together.
Just PING me if you need more information on them.
Stashaway (Free RM30,000 management fee for 6 months)
Rakuten Trade (Free 500 RT Points)
eToro (Free $50)
Luno (free RM25 BTC when purchase MYR 250 BTC)
Celsius (earn $20 in BTC with your first transfer of $200)