Editor: Atom, with these notable packages:
Terminal: macOS one with ZSH
Git management: Fork
Syntax colors: base16-syntax
Atelier Cave dark
Monospaced font: Input
Sans-serif font: Source Sans Pro
Serif font: Alegreya
Password management: LastPass
FTP access: Cyberduck
File syncing/backup: Dropbox (I've 1 TB subscription and I keep everything there)
Quick opening stuff: Alfred
Organizing windows in MacOS: Spectacle I use only my MacBook screen now, no use for this tool.
Disk cleanup: Grand Perspective
For emails and calendar I use plain old browser.
I use golden MacBook Air (Retina, 13-inch, 2020)