This is a comprehensive list of resources for gifted and talented children and their parents. Please feel free to add more in the comments and I'll incorporate them into the list.

Associations

National Association of Gifted Children

This nonprofit organization is for parents, teachers, educators, other professionals and community leaders addressing the unique needs of children with demonstrated gifts and talents.

National Research Center on the Gifted and Talented (Javitz Center)

Supporting the Emotional Needs of the Gifted (SENG)

The Gifted Child Society

Gifted Resource Council

Council for Exceptional Children

Center for Gifted Education & Talent Development

G/T Organizations, Resources, Listservs, and Publications - from JH, more links than you'll ever need

Enrichment Programs and Talent Searches

Center for Talented Youth (CTY)

Johns Hopkins University program identifies America's top academic students in grades two through eight and provides challenging educational programs through their tenth grade year.

Talent Identification Program (Duke TIP)

The Duke University Talent Identification Program (Duke TIP) identifies gifted children and provides resources to nurture the development of these exceptionally bright youngsters. Programs are available for students, families, and educators.

Odyssey of the Mind - Creative, team problem-solving competition that has three levels of competition -- local, state, and world -- where teams from around the world get together to compete.

GT-Cybersource

Searchable database of resources for gifted students, their parents, and the professionals who serve them. From the Davidson Institute for Talent Development.

Enriched and Innovative Instruction

This site includes information on differentiation, science, mathematics, arts, and other aspects of teaching, from Montgomery County Public Schools (Maryland).

Invent America

IAAY of the Johns Hopkins University

John Hopkins University Gifted Resources Links

Academic Competitions

Academic Summer Programs - summer programs

Distance Learning Resources - learn at home

Early College Entrance Programs - links to JH articles about the pros and cons of entering college early

Commercial Sites

Great Potential Press Incorporated

Materials for sale from publisher of gifted publications. Books and materials, based on research and life experience, to guide parents and teachers through the world of giftedness.

Prufrock Press

Gifted education resources for teaching and parenting gifted children.

The Set Game Co. Homepage

Open Space Communications

Gifted Development Center

Free Spirit Publishing

The Brain Store

Misc

Programs for Gifted Students with Learning Disabilities (GT/LD)

This site provides goals of for programs, characteristics of GTLD students, articles and Web sites, best practices, and other useful information, from Montgomery County Public Schools (Maryland).

International Baccalaureate Organization

Educational Testing Service

ERIC Clearinghouse on Disabilities and Gifted Education

Gifted Advocacy CTDNet - The Center for Talent Development Network Groups

United States

Gifted and Talented Resources Home Page

Hoagies' Gifted Education Page

Pitsco's Launch to Gifted and Talented Resources

Gifted Development Center

GT World

Articles

An Appropriate Education: Challenging and Nurturing a Gifted Child

Maryland teacher Gary Wilson. He writes about his experiences as the father of a gifted daughter and about his belief that parents, teachers, and policy makers can be doing much more to provide an appropriate education to gifted children.

Counseling Gifted and Talented Students

Nicholas Colangelo, University of Iowa, discusses the social-emotional issues confronting gifted students and provides insights based on a synthesis of research and his own work over the past thirty years. He describes changes in self-concept in the gifted student throughout the school years, vulnerabilities that can hamper cognitive and affective development, family counseling, transition from high school to college and career, and counseling in schools. (Fall 2002)

Distinguishing Myths From Realities

A self-test (with answers) on what the research says about gifted and talented children. Findings are from the National Research Center on the Gifted and Talented -- the NRC/GT 1998 Winter Newsletter.

Gifted Kids: What Smart Parents Need to Know

An article by Andrea Barbalich and Linda Marsa, published on Child.com. Reprinted from the March 2001 issue of Child Magazine.

The Identification of Children Who Are Gifted

In this article, Mary Ruth Coleman describes the process that helps ensure that students who need gifted education are recognized and matched with appropriate services so that they can thrive in school. ERIC EC Digest #E644 (June 2003).

Raising "Will Hunting" - 10 Tips for Parenting Gifted and Talented Children

Hilaria Bauer lists the 10 recommendations for parents in both English and Spanish. The article originally appeared in the IDRA Newsletter by the Intercultural Development Research Association.

Puzzles & Games

PuzzlersParadise

Challenging and fun puzzles for puzzle enthusiasts of all ages.

BrainBashers

A collection of brain teasers, puzzles, riddles, games and optical illusions.

Puzzles.com

Puzzles to play, puzzle projects, and puzzle links.

How to Know if Your Child is Gifted

Battling Perfectionism in Children

How to Approach the Endless Questions of a Gifted Child

All About Duke TIP

Indigo Children 101

All About SIG: Summer Institute For the Gifted

How to Choose a Summer Camp for Gifted Children

How to Recognize the Gifted Pre-School Child

How Gifted Children Are Assessed

Gifted Children and Attention Deficit Disorder

Duke TIP Summer Programs

Educational Talent Searches For Gifted Children: Off-Level Testing

Educational Talent Searches for Gifted Children: Benefits of Participation

Educational Talent Searches for Gifted Children: Contrasts to Traditional Education

How Does My Gifted Child Get Into an Educational Talent Search?

All About Johns Hopkins University Talent Search