Black Friday isn't only reserved for massive TVs, kitchen appliances, and home furniture. The biggest sale of the year also applies to apps and software. . If you don't want to pay full price for useful apps that can supercharge your productivity, you can take your pick from these 20 options that range from fitness programs to language learning apps to cloud storage.

Link: Save an extra 40% off on apps and software during this Black Friday sale
via http://www.zdnet.com