If your mission is non-profit, the org-domain is your domain
The org-domain is rusted. With .org, you are linked to a well-established brand of trust and integrity.The org-domain is the first choice for organizations dedicated to serving the public interest.
The org-domain is the place for communities. When you register a org-domain, you're registering much more than a name. You're linking your organization — your cause — to a worldwide community of organizations making the world a better place. Nonprofits, foundations, philanthropic and cultural institutions, religious, civic, arts, social and fraternal organizations, health and legal services, clubs and community volunteer groups ... if your activities are non-commercial, people expect you to be in the .org community.
The org-domainis popular and recognizable. The huge popularity of org-domains has made it the most preferred Top Level Domain after .com and .net. And anyone can register a org-domain.
The org-domain highlights corporate philanthropy programs. Corporate social responsibility programs and foundations belong on .org. A org-domain differentiates your philanthropic activities from your for-profit initiatives, and highlights the good work you are doing.
The org-domain can protect your brand. Registering the .org version of your domain name keeps your online brand identity within your control. If you have .COM or another type of domain name, it's wise to register the equivalent .org name to prevent others from doing so.
The org-domain can improve Search Engine Optimization (SEO). Registering your org-domains provides additional opportunities for search engines to find you online, especially if you create a good quality website on it.
If you have a passion, a mission, or something to share with the world, put it on .org.