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.
Stefan Angelov
SEPRAlab
Shipra Compulogies
Ebta Setiawan
Google
Vinidiktov Software
SoftConstructors
Geekcorp Software
Madan Puraskar Pustakalaya,Patandhoka
English Plus+
ABBYY Software
University of Colorado, Department of Physics
Paragon Software
Madura Kulatunga
NG-Computing
Advanced International Translations
Wordinn
University of Colorado, Department of Physics
Jana Software
Accounting Software Company
Andy Clarkson
Paragon Software
Cambridge University Press Holdings Limited
IndoDic Media
Fanix Software
LeoMoon Studios
QA INTERNATIONAL
WXTide32
Indus Language Systems LLC
Declan Software