- Cao Dai Non-Profit Organization
- Starting point for the Cao Dai religion. Includes a FAQ and full history. - Cao Dai: Religion of Many Spirits - Thoroughly researched paper about Cao Dai.
- Giao Ly Dai Dao - Giao Ly Dai Dao Tam Ky Pho Do [Vietnamese, with some in French and English]
- Cao-Dai Overseas Missionary - The history and mission, role, and activities of this organization promoting the faith globally.
- BLAST @ explode.com : Food for the Soul - Article about a visit to the Holy See.
- ReligiousTolerance.Org: Caodaism - Overview of Caodaism.
- Dai Dao Thanh Nien Hoi mailing list - Caodai Youth Association at Santa Clara County, California.
- Around Vietnam Photo Album - Tay Ninh and the Main Caodai Temple.
- Caodai Mailing List - Maintained by the same folks who brought you caodai.org.