Todoist - Todoist is a to-do list that helps you get organized, at work and in life.

Squarespace Email Campaigns - Email, but pretty.

Laverna - Laverna is a JavaScript note taking application with Markdown editor and encryption support.

Mailivery - Reach the Inbox, not the spam folder.

doo - A smart, simple app for reminders and to-dos

GMass - GMass allows you to easily schedule emails, send out mass emails and mail merge campaigns and more with Gmail! Click here to learn about more features!