Nitro is an open source desktop and Google Chrome application that allows users to easily organize their everyday tasks, wherever they go.
Nitro is cross-platform (available for Linux and Mac OS X users), it is super fast, simple and it doesn't require an Internet connection. A web-based version is also available on the project's homepage.
Here are some key features of "Nitro":
· Ubuntu One and Dropbox sync
· Retina support
· Smart lists
· Magic sort
· Keyboard shortcuts