Reference
It's one thing to have an encyclopedia and quite another to have software that combines a couple of those. Such software usually gives you more options and better and easier search engine. Check out this software category, read reviews on these education applications, take a pick, and download instantly.
The Sage
Anagram Artist
CEFIC ERICards Offline
Name Maker LE
Bararan
DictionaryNet
MSDSoft Quotes
MiniTaktaz
Pali Text Reader
L-Lingo Japanese Trial
Machinery's Handbook 29
Rave Dictionary
Glaciers
MB Free Electional Astrology
GE Trans
MB Free Astrology Dictionary
GHC Timetables EN
Self-Driven Particle Model
no votes
Library Master
Davisson-Germer Experiment
no votes
Word Sorter
Bhagavad Gita
no votes
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.