Confluence
Trello
Notion
Slack
Asana
Wrike
Telegram
MS SharePoint
Task Coach
Todoist
Remember The Milk
EssentialPIM
Todo.txt
Things
TickTick
Google Tasks
Confluence
Task CoachConfluence is particularly recommended for medium to large-sized organizations, software development teams, and businesses that utilize other Atlassian products. It's ideal for groups that require advanced documentation features, seamless integrations, and strong collaboration tools to optimize their workflows.
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.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Remember The Milk - Remember The Milk is a task and time management application for mobile devices.
Slack - A messaging app for teams who see through the Earth!
EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.