Simple and intuitive card system : Drag and drop people to cards to divvy up tasks. Everyone sees the same board and the whole picture all at once. Start a discussion with comments and attachments: Add a quick note or a detailed, Markdown-enabled diatribe. Mention a member in a comment to make sure they get notified. Add files by uploading them from your computer, Google Drive, Dropbox, Box, and OneDrive. Liven it up with emojis, too. Trello’s notification system: You’ll get notifications wherever you are: inside the app, via email, desktop notifications via the browser, or via mobile push notifications. Notifications stay in sync across all your devices. Checklists and due dates: tasks, upcoming dates, or items. And with the Calendar Power-Up, everything is in a nice calendar view inside Trello. Or use the iCal feed in your own calendar app. Works on every platform : Apps for iPhone, iPad, Android phones, tablets, and watches, Kindle Fire Tablets, and Windows 8. Search, filtering, and labels: Powerful search engine,Labels help you finely categorize your cards so you can find and filter. Data is private and secure: All data is sent over a secure, SSL/HTTPS connection, the same encryption technology used by banks.

- Assign tasks to your team mates - Share tasks with your team - Add comments to tasks - Push notifications - Google Calendar Synchronization - Outlook synchronization - Hierarchical tasks - Tags - Task colors - Calendar - Time tracking: record time spent on tasks - Reporting: Produce reports on task and project progress - Create tasks by sending email to Hitask - Get notified about due tasks by email or Push