As used and recommended by Michael:
Amazon – Shop Amazon and support us.
Backblaze – Online backup for your Mac or PC.
Box – Cloud storage, secure content and online file sharing.
Buffer App – Content marketing without the spam.
Eventbrite – Online Ticketing.
GoDaddy Australia – Domains and other services. Save 30%.
Gravity Forms – The best way to do forms in WordPress.
Mail Chimp – Email marketing & Newsletters.
ManageWP – Manage all your WordPress sites with one login.
Moo Business Cards – This is where I get our popular business cards.
SiteGround – Website hosting.
Zoho – Online email & hosting, documents, CRM etc.
* Please note – some links are affiliate links.