Encyclopedia Mac OS X Softwares
Discover best Encyclopedia Mac OS X softwares, apps and websites.
Best Encyclopedia Mac OS X Softwares
Everipedia
Free
Everipedia is the next generation online encyclopedia.
Aard Dictionary
Open Source
Aard Dictionary is a free, fast word lookup program.
Encyclopædia Britannica
Commercial
Encyclopædia Britannica is a general knowledge English-language encyclopaedia.