Asexual Visibility and Education Network (AVEN)

"AVEN hosts the world's largest online asexual community as well as a large archive of resources on asexuality. AVEN strives to create open, honest discussion about asexuality among sexual and asexual people alike

The AVEN community centers around the web forum, which provides a safe space for asexual and questioning people and their partners, friends and families to discuss their experiences."