List of personal information managers

The following is a list of personal information managers.

Open source applications

PIM application	Platform(s)	Software license	Notes
Chandler	Linux, Mac OS X, Microsoft Windows	Apache License	Free form approach based on Lotus Agenda
Evolution	Linux, Microsoft Windows^[1], Unix, GNOME	GPL
Haystack	all operating systems with POSIX and Java	MIT License
OpenIRIS	Microsoft Windows	LGPL	Java-based Semantic Desktop wrapper around Mozilla Suite, Open Office Glow, etc.
org-mode	Cross-platform	GPL	Integrates with Emacs BBDB for contact management support, web browsers for hyperlink storing support. Free iPhone app available (MobileOrg)
Kontact	Linux, Microsoft Windows, Unix, Mac OS X, KDE	GPL
Mozilla Calendar Project	Linux, OpenSolaris, Solaris, Mac OS X, Microsoft Windows, OS/2	MPL
Spicebird	Cross-platform	GPL/LGPL/MPL	Mozilla Thunderbird remake
ical	Cross-platform	GPL

PIM application	Platform(s)	Software license	Notes
Evolution	GNOME	GPL
iCal	Mac OS	proprietary software
Kontact	KDE	GPL	Included in KDE4. Also available for Mac OS X^[2] (technology preview) and Microsoft Windows^[3]
Windows Calendar	Microsoft Windows	proprietary software
Windows Contacts	Microsoft Windows	proprietary software

PIM application	Platform(s)	Notes
Ecco Pro	Microsoft Windows	organizes information via full power outline and tag assignments. (Tags can contain text, numeric, or date data. Date data automatically mapped to calendar.)
Google Calendar	Web application
Google Notebook	Web application
Palm Desktop	Mac OS, Microsoft Windows
Remember The Milk	Web application
Yahoo! Calendar	Web application
Windows Live Calendar	Web application	Has a freeware offline client (Windows Live Mail) for Microsoft Windows only

PIM application	Platform(s)	Notes
Backpack	Web application	Todo list and calendar
Contactizer	Mac OS X	previously known as "OD4Contact"
3D Topicscape	Microsoft Windows	organizes information into 3D landscapes
DEVONthink	Mac OS X
Entourage	Mac OS
EverNote	Mac OS X, Microsoft Windows
FileMaker	Mac OS X, Microsoft Windows
Lotus Notes	Linux, Mac OS X, Microsoft Windows
Lotus Organizer	Microsoft Windows
Meeting Maker	Linux, Mac OS, Solaris
Microsoft Office Outlook	Microsoft Windows
mobile PhoneTools	Microsoft Windows
NoteScribe	Microsoft Windows	Create and store notes in a hierarchical category tree, organize information
Novell GroupWise	Linux, Mac OS, Microsoft Windows, Web application
Now Up-to-Date & Contact	Mac OS, Microsoft Windows
OneNote	Microsoft Windows
PrimaSoft Organizer Deluxe/Pro	Microsoft Windows
Personal Knowbase	Microsoft Windows	Freeform note-taking organizer. Portable.
Plaxo	Web application
Things	Mac OS	Task management and scheduling
Tinderbox	Mac OS
Wrike	Web application
Yojimbo	Mac OS

PIM application	Platform(s)	Software license	Notes
Hula	Linux	FOSS-GPL	Replaced by Bongo project
Lotus Agenda	DOS	Freeware
GoBinder	Microsoft Windows