This is an ongoing list of software that I find useful while developing on my various Mac machines:
Mac
PHP Storm
Paw
PCalc
Sublime Text 3
Virtualbox
Slack
Omnifocus
YNAB
1Password
Delibar
Dropbox
Moom
Caffine
Tweetbot
*nix
docker
ngrok
zcat
htop
wget
PHP Tools
composer
phpmd
phpcpd
phpdcd
Online Tools
Dropbox
Gitlab
Jira
Rollbar
HelpScout
Trello
Mobile
Pocket Casts