Links

Educative

Simple site that will let a beginer into domain name world

http://www.whatdomain.org/

Communities

New gTLDs on LinkedIn

Quite active group moderated by Jean Guillon

https://www.linkedin.com/groups/New-generic-TopLevel-Domains-1840166

Wikis & glossaries

ICANNwiki

A great encyclopedia containing people, companies and organizations related to ICANN and the domain name industry

http://icannwiki.com/

ICANN's glosary

Domain infrastructure glosary

http://www.icann.org/en/about/learning/glossary

Domain name system category on Wikipedia

A Wikipedia specialized category

http://en.wikipedia.org/wiki/Category:Domain_name_system

Organizations

ICANN

The Internet Corporation for Assigned Names and Numbers - an organization that, among others, has control over everything related to TLDs.

http://www.icann.org/

Magazines & blogs

DomainIncite

A blog, mainly focused on the new gTLD program.

http://domainincite.com/

Top-Level Domains News, Opinions and Blogs on CircleID

A CircleID's topic

http://www.circleid.com/topics/top_level_domains

Jean Guillon's blog

A new gTLD activist’s blog

http://blog.guillon.com/