Coolendar is described as 'is not only a calendar or a to-do list: it's a whole new planning experience! We believe it is time for a new level of planning software. Something simple that works for you, without the noise of handling a calendar or tasks app' and is a Calendar App in the Office & Productivity category. There are more than 100 alternatives to Coolendar, not only websites but also apps for a variety of platforms, including Windows, iPhone, Android and Mac. The best alternative is Simplenote, which is both free and Open Source. Other great sites and apps similar to Coolendar are Google Calendar (Free), Todoist (Freemium), WorkFlowy (Freemium) and Microsoft Office Outlook (Paid).
With Google Calendar, its easy to keep track of all your lifes important events in one place. You can add events and send invitations effortlessly, share your schedule with friends and family, and search for events you might enjoy.
Todoist is a task manager thats useful, fast and easy to use. Accomplish more, every day. Millions of people rely on Todoist to get things done. Todoist lets you manage your tasks anywhere. At home. At school. At work. Online. Offline. And on 13 platforms and devices.
Workflowy lets you organise your brain into easily manageable lists. It also works as a single-pane outliner with inline notes. It offers one-click hoisting (zooming into branches). The online version syncs with mobile apps.
Take your tasks anywhere with this feature-packed application. See tasks located nearby, add and complete tasks on the go, organize upcoming tasks, and sync it all seamlessly with Remember The Milk. Desktop app available for Pro users. Very good integration in GMail!
Get more done with the Google Tasks mobile app. Manage, capture, and edit your tasks from anywhere, at anytime, with to-dos that sync across all your devices. Integrations with Gmail and Google Calendar help you get tasks done—faster.
Organize your schedule and life’s important events in a calendar that’s fully integrated with your Thunderbird or Seamonkey email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.