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.
Jana Software
Ectaco
WXTide32
Bhai Baljinder Singh Ji
Freelang
Wanem Club
Paragon Software
WORDsearch
AdeptDict,Inc.
MysticBoard.com
Scholar's Aid
Cogmation Robotics
Arlt Software Solutions
Paragon Software
iFinger Ltd.
Princeton University Cognitive Science Lab
McGraw Hill Companies
GNU General Public License
Swiss Academic Software GmbH
KoralSoft-Bulgarian French Dictionary
Opera Software
Avoid Jehovah's Witnesses
Konstantin Isakov
eConcept Software
Ron Charlton
Babylon Ltd.
AXMA Soft Ltd.
Paragon Software
Thomson Reuters
MapSphere