Asexual Visibility and Education Network (AVEN): This organization hosts the world’s largest online asexual community and has a large archive with resources on asexuality. They seek to create an open and honest discussion about asexuality between asexual and sexual people alike. Good site if new to asexuality and want to learn more.
Ace Socal: An online group for asexuals living in Southern California
Ace Los Angeles: A monthly meetup group for asexual, demisexual, and grey-A people. We are aromantic-friendly. Find them on Facebook,Tumblr, and MeetUp!
Asexual Awareness Week: An international campaign that seeks to educate about asexual, aromantic, demisexual, and grey-asexual experiences and to create materials that are accessible to our community and our allies around the world.
Terminology: A tumblr post about words and concepts often used in asexual communities