Feature	EndNote	EndNote Web	Reference Manager	ProCite
Version	X4	2.9	12	5
Organize references	Yes	Yes	Yes	Yes
Store and cite images and objects	Yes	No	No	No
Find full text articles automatically	Yes	No	No	No
Link to PDF files on the Web or desktop	Yes	No	Yes	Yes
Format bibliographies	Yes	Yes	Yes	Yes
Online database searching	Yes	Yes	Yes	Yes
Import filters for online databases	700+ predefined; create your own	700+ predefined	430+ predefined; create your own	580+ predefined; create your own
Z39.50 searching	Yes	Yes	Yes	Yes
Operating System	Mac OS X & Win	Win, Mac & Linux	Win	Win
Access to references	Desktop & Network	Web browser	Desktop, Network & Web browser (via Web publisher)	Desktop & Network
Software installation required	Yes	Optional toolbars — IE, Firefox and Word	Yes	Yes
Multi-user access (network or Web)	No	Yes	Yes	No
# of output styles	4,500+ predefined; create your own	3,700+ predefined	1,300+ predefined; create your own	600+ predefined; create your own
Database size	Unlimited	Unlimited	Unlimited	Unlimited
Max # of References	Unlimited	10,000	Unlimited	Unlimited
Max # of fields	52	50	37	45
Max # of Reference Types	46	39	35	39 + create your own
Create table and figure lists	Yes	No	No	No
Subject Bibliography	Yes	No	Yes	Yes
Spell Check	Yes	No	Yes	No
Create a list of "favorite" styles	Yes	Yes	No	No
Reference grouping	Yes	Yes	Use keywords or multiple databases	Yes
Create Smart Groups for instant sorting	Yes	No	No	No
Advanced searching capabilities	Yes	No	No	Yes
Search across multiple databases	Cite While You Write	No	Databases & Cite While You Write	Cite While You Write
Integrated in MS Word	Cite While You Write	Cite While You Write (optional installation)	Cite While You Write	Cite While You Write
Construct document with MS Word templates	Yes	No	No	No
Access OpenURL links	Yes	Yes	Yes	No
Unicode compliant	Yes	Yes	No	No