In one of its now traditional limited-time app promos, Amazon is offering productivity apps worth $80 for free.

The promotion is dubbed App Toolbox and it consists mainly of productivity apps, though everyone can make use of apps like Shuttle+ Music Player, Fleksy Keyboard, or Camera Zoom FX. Here’s the full list (availability may vary by country) with normal list prices:

Shuttle+ Music Player ($0.99)

Fleksy Keyboard ($3.99)

EasyTether ($9.99)

MobiMail for Outlook Web Email ($5.99)

PrintHand Mobile Print Premium ($12.95)

Camera ZOOM FX ($2.99)

Tiny Scan Pro: PDF Document Scanner ($3.99)

Servers Ultimate Pro ($8.99)

AndroZip Pro File Manager ($2.49)

MathsApp Graphing Calculator ($4.99)

Office Calculator Pro ($2.19)

XnRetro Pro ($1.19)

Oxford Dictionary of English with Audio ($24.99)

HanDBase Database Manager ($9.99)

Business Card Reader PRO ($4.99)

OpenDocument Reader ($3.92)

TextGrabber + Translator Lite ($0.99)

Most of these apps are specialized utilities, but many of them are relatively expensive and this is a good opportunity to get them for free, even if you don’t need them right now. You know, just in case…

Check out the promo page on Amazon’s Appstore here.

Amazon’s App Toolbox deal is valid Friday and Saturday, until midnight Pacific. Anything that piques your interest?