ABCs of Life Skills - Articles and references about organizing a successful life. Divided into general knowledge, money, work, family, health, and communication.

Checklists.com - Free checklists on a large number of activities.

Clutterbug Network - Organizer directory, free newsletter.

Creative Homemaking - Organize - Offers tips for home, family, clutter control, holidays, cooking and time management. Includes a newsletter and check lists.

Flylady.net - Offers a system for organizing and managing a home, based on the concept of daily routines and a focus on small, time- and space-limited tasks. Provides resources, tips and newsletter.

43 Folders - Aids to living including (but not limited to) productivity and time management tips, Mac OS X programs and technologies, ideas about modest ways to improve a person's life and reduce stress, and cool or helpful shortcuts that makes life a bit easier.

Gail Porter - Offers articles about organizing the office, home and life. Includes reflections and a photo gallery.

Get Organized Now - Offers tools, ideas and articles. Features monthly checklists, a discussion forum, e-courses and a newsletter.

I Need More Time - Free organizing tips, ideas and articles. Sells additional tips as an ebook.

Kiwi Flybabies - Members-only discussion group for New Zealanders who follow the Flylady. Includes message boards, photographs and chat.

Lifehack.org - Pointers on productivity, getting things done and lifehacks.

List Organizer - Offers planning lists with time management instructions for home, personal, travel, budgets, children, pets. Includes a newsletter.

Messies Anonymous - Dedicated to bringing harmony in the home through understanding and aiding the messie mindset. Provides resources, FAQ and newsletter.

Mind Over Clutter - Provides articles, message boards and other resources to help people lead clutter free lives.

National Association of Professional Organizers (NAPO) - Non-profit educational association whose members include organizing consultants, speakers, trainers, authors, and manufacturers of organizing products. Includes membership information, events, chapters, FAQ and a newsletter.

National Study Group on Chronic Disorganization (NSGCD) - Mission is to explore, develop, and disseminate to professional organizers and related professionals organizing methods, techniques, approaches, and solutions that will benefit chronically disorganized people.

Online Organizing.com - Collection of online and print resources, for those seeking an organizer, or wanting to start their own business.

Organized-Living.com - Articles and tips to help individuals organize their home or work life better.

OrganizeTips - Tips on organizing daily life. Free planners, organizers, free software for home, office, wedding, moving, pregnancy, holiday and budget.

The Organizing Network - Tips and techniques to get organized. Provides ideas and information for self, finance, family, home, and work.

Printable Checklists - Printable charts and checklists on topics such as parenting, children and special occasions. Includes a newsletter.

Professional Organizer Training - Training academy for Professional Organizers. Includes a message board.

Professional Organizers Web Ring - Works to promote the field and to provide information on products and services. Includes events and FAQ.

52 Projects - Motivating people to work on whatever projects they have long wanted or needed to do.

S.H.E.'s Organized! - Offers resources and essays on basic and advanced topics. Includes discussion groups, forms and FAQ.

To-Done - A collection of thoughts, writings, tips, tricks and information on personal productivity, work/life balance and getting things done.