Email

Thunderbird

Client and personal inboxes in one place, no subscription

Gmail

Free email with 15GB storage, labels and advanced search tools

HEY

Email inbox with built-in screening to block spam

Mailbox.org

Privacy-focused email with encryption and calendar from Germany

Proton for Business

Keep sensitive client mail and files private, beyond the reach of US laws

Superhuman

AI email client with keyboard shortcuts and smart automations

SaneBox

Moves unimportant mail out of the inbox into its own folders

Clean Email

Cleans up crowded inboxes and unsubscribes from newsletters in one click