Mostly list down the things that I used or great deals that I am aware of.
Wise - General best way to convert, send and receive foreign currencies. Has a free multi-currency account. Card available for ATM withdrawal. Free Offer: Fee-free transfer up to 500 GBP, free multi-currency account - Click to visit link
Sunway Money - Lowest fee option to convert and send money out of Malaysia. Only during working hours. Click to visit link
ImprovMX - Set up email forwarding in seconds and start receiving and sending emails with your domain name. Free Offer: 1 email domain forwarding, Max 25 aliases, 10Mb attachment limit - Click to visit link
Degoo Cloud - Premium cloud storage like Dropbox or Google Drive. On Android, iOS and web. I used this because the free 100 GB is more than Google's 15 GB or Dropbox 2 GB. Free Offer: Free 100 GB cloud space - Click to visit link
Interactive Brokers - Cheapest way to invest globally for Malaysian. Free Offer: Up to $1000 worth of shares. $1 for every $100 deposited - Click to visit link
Some of the links above are affiliate links that I can earn commission on at no additional cost to you.