Rank
1,681 286
Visitors
18.5M 3.4M

IEEE is the world's largest technical professional organization dedicated to advancing technology for the benefit of humanity.

Rank
1,763 89
Visitors
17.7M 766.8K

AARP is the nation's largest nonprofit, nonpartisan organization dedicated to empowering Americans 50 and older to choose how they live as they age.

Rank
2,398 1K
Visitors
13.4M 3.7M

Crowdfund innovations in tech and design before they go mainstream and support entrepreneurs that are working to bring their dreams to life.

Rank
2,482 396
Visitors
13M 2.2M

With 189 member countries, the World Bank Group is a unique global partnership fighting poverty worldwide through sustainable solutions.

Rank
3,370 651
Visitors
9.9M 1.5M

Dan.com is ranked number 3370 in the world, hosted in Germany and links to network IP address 52.28.84.253.

Rank
3,533 181
Visitors
9.5M 416.3K

Change.org · La plateforme mondiale pour le changement.

Rank
3,615 319
Visitors
9.3M 804K

科学网是由中国科学院、中国工程院和国家自然科学基金委员会主管,中国科学报社主办的综合性科学网站,主要为网民提供快捷权威的科学新闻报道、丰富实用的科学信息服务以及交流互动的网络平台,目标是建成最具影响力的全球华人科学社区。

Rank
3,632 748
Visitors
9.2M 2.1M

中国社区志愿服务网是由中国志愿服务基金会主办,武汉百步亭社区承办的全国社区网络平台。

Rank
4,752 854
Visitors
7.3M 1.4M

Find what you want in a library near you with WorldCat, a global catalog of library collections.

Rank
4,954 135
Visitors
7M 175.9K

ORCID.

Rank
5,060 1K
Visitors
6.9M 2.4M

The American Psychological Association (APA) is a scientific and professional organization that represents psychologists in the United States. APA educates the public about psychology, behavioral science and mental health; promotes psychological science and practice; fosters the education and training of psychological scientists, practitioners and educators; advocates for psychological knowledge and practice to inform public policy; and champions the application of psychology to promote human rights, health, well-being and dignity.

Rank
5,164 191
Visitors
6.7M 232.2K

The World Economic Forum is an independent international organization committed to improving the state of the world by engaging business, political, academic and other leaders of society to shape global, regional and industry agendas. Incorporated as a not-for-profit foundation in 1971, and headquartered in Geneva, Switzerland, the Forum is tied to no political, partisan or national interests.

Rank
5,335 493
Visitors
6.5M 499.8K

UNICEF works in more than 190 countries and territories to reach the most disadvantaged children and adolescents – and to protect the rights of every child, everywhere.

Rank
5,772 550
Visitors
6.1M 574.3K

UNDP works to eradicate poverty and reduce inequalities through the sustainable development of nations, in more than 170 countries and territories.

Rank
5,844 2K
Visitors
6M 4.1M

Crowdfunding for India, raise funds online for yourself, loved ones, charities and more. Milaap India's largest crowdfunding website. Fundraise now.

Rank
6,508 1K
Visitors
5.5M 1.1M

Ballotpedia.org is ranked number 6508 in the world, hosted in United States and links to network IP address 34.227.154.165.

Rank
6,596 483
Visitors
5.4M 332.8K

XAMPP is an easy to install Apache distribution containing MariaDB, PHP and Perl.

Rank
6,659 310
Visitors
5.4M 234.8K

Plos.org is ranked number 6659 in the world, hosted in United States and links to network IP address 216.74.38.75.

Rank
6,758 439
Visitors
5.3M 329.3K

The AKC is the recognized and trusted expert in breed, health and training information for dogs.

Rank
7,526 3K
Visitors
4.8M 1.5M

UNHCR, the UN Refugee Agency, is a global organisation dedicated to saving lives and protecting the rights of refugees, forcibly displaced communities and stateless people. Visit our website and find out how you can support us.

Rank
7,744 571
Visitors
4.7M 333.7K

Petfinder has helped more than 25 million pets find their families through adoption. Search our extensive list of dogs, cats and other pets available for adoption and rescue near you.

Rank
8,217 230
Visitors
4.4M 108.8K

GCFGlobal.

Rank
8,467 2K
Visitors
4.3M 1.6M

Association for Computing Machinery.

Rank
9,931 1K
Visitors
3.7M 434.2K

Learn more about the American Heart Association's efforts to reduce death caused by heart disease and stroke. Also learn about cardiovascular conditions, ECC and CPR, donating, heart disease information for healthcare professionals, caregivers, and educators and healthy living

Rank
9,938 7K
Visitors
3.7M 7.4M

Welcome to CK-12 Foundation | CK-12 Foundation.