Spotify
For the past couple of months, I've tried all competitors of Spotify. And no one else has a better discovery recommendation engine than them.
Sketch
I guess it's time to retire.
Figma
I've been using Figma for a few years now and think it's paving the way for collaboration in the design community. It makes it very easy for cross-functional teams to work together.
Canva
It saved me a lot of money. I use it for my organization's Instagram, YouTube, Facebook, booklets, and other printed materials. There are a lot of excellent templates, and even newbies can make lovely designs using them.
Gmail
obviously, the best email client ever