National Sites
- Acacia International Fraternity - The national website
- Acacia Fraternity Foundation - The 501(c)(3) organization started in 1989 to provide scholarships to student Acacians and to support the worthy educational and leadership activities of the fraternity
- Cornerstones - Acacia's Membership Development program
RPI-specific Sites
- Bitter Old Men - Tongue-in-cheek name for the alumni forum site started by some grads from the early part of this decade
- AKAK News - The alumni mailing list run at Yahoo! Groups