CosmosFrontier.com
- http://www.cosmosfrontier.com/
- Organisation aiming to promote the idea of space colonization as a long-term solution to the big problems facing humanity. Provides information on astronomy, space exploration and colonization as well as science-fiction.
Foundation Future 25
- http://future25.org
- Emerging platform for long-term thinking, acting and growth. Supporting space colonization and the development of life and humanity on earth earth, the planets and in the universe.
Island One Society
- http://www.islandone.org
- Propulsion systems, business ideas, archives of space meetings and journals, and political advocacy for the space frontier.
Oregon L5 Society
- http://www.oregonl5.org/
- Oregon chapter of the National Space Society; many studies and reports on in-situ resource utilization and related aspects of space development.
Space Settlement
- http://space.mike-combs.com/
- Discusses the space settlement proposals of Gerard K. O'Neill, as popularized in his book "The High Frontier". Features pictures and a FAQ.
Space Settlement Initiative
- http://spacesettlement.org/
- A proposal to grant ownership of land on the moon and Mars to companies that establish settlements and agree to sell passage to anyone willing to pay a fair price.
The SCTC Project
- http://www.spacecolonizationproject.com/
- Space Colonization Training and Education Center project to design, construct, and place in operation a simulated space station and remote research base for the training of future space colonists.
