Big Kids No Kids
- Created by an Irish couple, this organisation proposes a various activites for childfree adults. Addressed to an international audience (English and French-language), the site includes an online forum and blog.
- http://bigkidsnokids.com

Selfish Heathens
- An online community for liberal childfree atheists and agnostics.
- http://www.selfishheathens.com/

Northern Colorado Child Free Wiki
- Social group for singles and couples. Includes events calendar and links.
- http://www.renegadebrewer.com/ChildFreeWiki

Babes Without Babes
- A social group for women 35 and older in Edmonton, Alberta who do not have children and who want to connect with other women living the same lifestyle.
- http://www.babeswithoutbabes.com/

Childless by Choice
- An information clearinghouse for people who have decided not to have children, and for those who are deciding whether or not to become parents.
- http://www.northvalley.net/cbc/