Informant
Informant for Mac is the hottest new productivity software for mac users. Organize Tasks Projects, Notes, Calendar, all in one app. Free Trial Available
19 Alternatives To Informant
Calendar
Calendar is a time-management web application by Microsoft.
Etar
Material design open source calendar for Android.
Jorte
Schedule books must be practical and has a good design.
Lightning Calendar
Organize your life — it’s about time!
Nozbe
Nozbe - to-do, task, project and time management productivity gtd getting things done online application with software for Apple iPhone iPad Android Mac Windows Linux
Outlook
Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.
Rainlendar
Rainlendar - Customizable desktop calendar
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.
Wekan
The open-source Trello-like kanban (built with Meteor). Wekan is an completely Open Source and Free software collaborative kanban board application with MIT license.
Whether you’re maintaining a personal todo list, planning your holidays with some friends, or working in a team on your next revolutionary idea, Kanban boards are an unbeatable tool to keep your things organized.