Checkvist is a killer task manager app. It has a clean and powerful interface, with collaboration capabilities. Some other features of Checkvist include:
- Easy export and import. Supported formats are plain text, wiki, OPML and HTML.
- Users can create multiple lists.
- Every item in a list can have any number of “notes” and sub-items.
- Selected subtasks can be extracted as a new list.
- Supports handy keyboard shortcuts.
- Users can rearrange items and nesting levels.
- Checkvist has a powerful bookmarklet. When clicking on it from Gmail message, or on a web page, you’re adding a link to message/page to your checklist. Great integration with Gmail! Or select some text before clicking the bookmarklet, and it will be added to Checkvist.
- Checkvist also offers a gadget for iGoogle, Gmail and Google Wave. To add this gadget to these services, use this URL: checkvist.com/google.xml
(refer this article to add any gadget to Gmail.)

- Chrome users can install Checkvist extension from here.
- Paid users can opt for email notifications, custom UI, Read-only sharing option etc.
Checkvist’s is not just a task manager or a to-do list manager. You can use it for managing your thoughts & links also.
Link: Checkvist
[ via Lifehacker ]
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Checkvist Is The Ultimate Task Manager
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Checkvist is pretty awesome, but it needs to be ported to a iPhone or BlackBerry client to really catch main stream.