- Aikido Journal - The single best source for Aikido books, videos and blogs. Stan Pranin, a student of Saito Shihan, is the unofficial historian of Aikido.
- Takemusu Aikido Association- A fine association based in the United States. Founded by students of Saito Shihan. Affilitated with the Aikikai (Hombu) dojo in Japan.
- Iwama Shinshin Aiki Shuren Kai- The organization founded by Hitohiro Saito Shihan (Morihiro Saito's son) to continue the Iwama legacy apart from the Hombu dojo.
- Takemusu Aikido Intercontinental- An excellent site based in France, with English translated sites. Some fine writing and technical examples here.
- Iwama Ryu France- Another interesting site, and a great resource for Iwama stylists.
- Aikido FAQ- One of the oldest (and best) resources for all levels of students of Aikido.
- Aikido Schools of Ueshiba- Founded by Saotome Shihan- prolific author, very accomplished aikido shihan.
- Aikido- a thought provoking site by author, teacher and aikido-ka Stefan Stenudd