Top 10 Windows 8.1 and Windows 10 apps for 2015

9. Mail, Calendar and People

URL: http://apps.microsoft.com/windows/en-gb/app/64a79953-cf0b-44f9-b5c4-ee5df3a15c63

App Category: Productivity

Price: FREE

Description: Everything you need to stay organised and in contact with the right people.

Details: Organise your inbox with Mail, keep on top of your schedule with Calendar and stay in touch with contacts and colleagues with People. This is the best free app collection for professionals looking for a simple and easy way to communicate and manage their time in the most efficient way.

10. Trello

URL: http://apps.microsoft.com/windows/en-gb/app/trello/bd4fa6c1-0994-4caa-b0e1-04eec135667b

App Category: Productivity

Price: Free

Description: This digital Kanbanboard can make your projects easier to complete.

Details: Trello billed itself as the "easiest way to organise anything". You can create boards to organise the things you are working on. You can also invite friends, family or colleagues to work together on tasks. Everyone working on a project can l add cards, make changes, upload attachments, and more.