Todoist Smart Schedule
Todoist uses machine learning to predict your task due dates
20 Alternatives To Todoist Smart Schedule
ARS - Auto-Re-Schedule
Easily re-schedule tasks with fixed time spans

Actions by Moleskine
A minimal, sophisticated list maker and scheduler.
Breezeworks
Breezeworks Scheduling Software for Service Businesses helps professionals get to appointments efficiently on time. Manages team and syncs across all devices.
Creativity 365
Cross-device content creation suite
Daily
Your own, personal URL for video calls.
Group Office
Group-Office is an enterprise CRM and groupware tool.

LifeTracker
AI-based to-do tool to do the right things at the right time

Meistertask
MeisterTask is an intuitive task management and collaboration tool.

Microsoft To-Do
Task management tool
MyTime Scheduler
The online scheduler connecting small businesses to clients
Remember The Milk
Remember The Milk is a task and time management application for mobile devices.
Reminder
A better way to keep track of your reminders í ½í³
Scheduled for iOS
A reminder for your messenger

Simpli
Keep track of email, calendars, notes and more in a unified interface.

Todoist
Todoist is a to-do list that helps you get organized, at work and in life.
Todoist 10 for iOS
A completely new Todoist for iOS

Trello
Infinitely flexible. Incredibly easy to use. Great mobile apps. It’s free. Trello keeps track of everything, from the big picture to the minute details.
Volition
A self-hosted daily planner that focuses on reflection
doo
A smart, simple app for reminders and to-dos