Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
My Daily Planner - Organize your day with pen & paper. Free printable template.
doo - A smart, simple app for reminders and to-dos
The Ultimate Productivity Stack - Curated directory of tools to supercharge your productivity
Laverna - Laverna is a JavaScript note taking application with Markdown editor and encryption support.
The Best Life Planner 2018 - Make your goals actually happen this year