A Straight or a Twisted Shofar?: Staff at the Bar-Ilan University's Parashat Hashavua Study Center discusses what kind of ram's horn to use as a shofar.
Chabad.org - Rosh Hashanah: Contains information about services, study, stories and recipes. Includes Kids section. Features Find-a-Service and E-Shanah Tovah cards. Also covers Ten Days of Repentance.
Egreetingz : Rosh Hashanah cards: Send online greetings and e-greetings for Rosh Hashanah
Midrash: Rosh Hashanah: Rosh Hashanah, halakhoth, laws and customs.
OU Presents Rosh HaShana: About the holiday, as well as advanced articles. Also includes a collection of audio links.
Rosh Hashana: Activity Ideas: Includes specific activities for age specific classes and groups.
Rosh Hashanah in CyberSpace: Jewish New Year resources.
Rosh HaShanah with Torah.org: Project Genesis has educational resources, observances, and recipes.
The Virtual Beit Midrash: A series of advanced lectures on Rosh HaShana, both philosophical and halachic. A resource for the serious student.
Torah Tots: Rosh Hashana Fun and Games: Childrens site, with background, games, and activities