This is both a dynamic (read: ever-evolving) and incomprehensive (read: ever-partial) list. Please contact me if you feel other resources should be included in this list or if you take issue/s with any resource/s here-in.

ABA Controversy Autism Discussion – a blog outlining the voices and evidence against ABA that also includes numerous related resources
Actually Autistic Blogs List – a dynamic list of autist-authored blogs
Americans with Disabilities Act – information and assistance for disabled peoples’ equal opportunity rights
Appyautism – a powerful search engine to locate Mac, Windows, iPhone, and Android apps for autists, their families, and professionals that work with these people
Aumi – an autist-founded iPhone/iPad app that aims to reduce anxiety and burnout
Autcraft – an autist-founded Minecraft server for autistic children/adults and their families
Autism and Race – financial support for autists of color, an anthology of art and writing by negatively racialized autists, and many related resources
Autistic and Queer: Coming Out on the Spectrum – a supportive article on the (challenged) intersections of neuro-diversity and queer/trans/ness
Autistic Self Advocacy Network – an autist-run non-profit providing services around policy advocacy, self-advocacy leadership, and related information
Autistic Women and Nonbinary Network – public education on race, culture, and autism through a grant program; exploration of sexism and ableism in disabled/non-disabled communities; a dynamic database of accessible healthcare providers; and more
Autistics for Autistics – an autist-led advocacy collective in Ontario, Canada; visit their site for a plethora of resources and information
National Domestic Violence Hotline – for confidential and judgment-free domestic violence support/resources, call 800-799-7233 (SAFE)
National Sexual Assault Hotline – for confidential and judgment-free sexual assault support/resources, call 800-656-4673 (HOPE)
National Suicide Prevention Hotline – for confidential and judgment-free crisis support/resources, call 800-273-8255 (TALK) or text NAMI to 741-741
Neurowonderful – an autist-run YouTube channel with videos on public education and being Autistic
Protection, Advocacy, and Assistance – legal support for disabled people in every state, put together by the National Disability Rights Network
Relationships and Sexuality – a substantially extensive handbook/tool authored by-and-for autists, produced by Autism NOW
Speech Blubs – a speech-boosting iPhone/Android app for children, designed by people who grew up experiencing problems speaking
Stories from the Spectrum – stories authored by autists and parents of autists, published by the national organization Autism Society
The Autistinquisitor – an Autistic Indian-Canadian person discussing autism, neurodiversity, and other topics, and sharing his life experiences