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Notational Velocity is an application for Mac OS X that stores and retrieves notes.

In Notational Velocity, the same area is used both for creating notes and searching. I.e., in the process of entering the title for a new note, related notes appear below, letting users file information there if they choose. Likewise, if a search reveals nothing, one need simply press return to create a note with the appropriate title.

Its unique advantages are as follows:

• Modeless Operation
  Searching for notes is not a separate action; rather, it is the primary interface.

• Incremental Search
  Searching encompasses all notes’ content and occurs instantly with each key pressed.

• Transparent Encryption
  All information is compressed and encrypted (enabled optionally) before it is recorded to disk.

• Mouseless Interaction
  Notational Velocity’s window was designed for keyboard input above all else, and thus has no buttons.

• Data Instead of Documents
  There is no manual “saving” in Notational Velocity; all modifications take effect immediately.

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