DISCLAIMER: None of these sites/apps pay me to have their information listed. These are resources I have found helpful based on personal experience.
I cannot promise you that the resources below will make everything better. I cannot promise that you will find what you need or guarantee that they're good sites for you right now.

But it's a start.

Websites/Blogs

Opening discussions around mental health

• Asian Mental Health Collective (resources in US/CAN to normalize and de-stigmatize mental health within the Asian community)

• Black Mental Health Alliance (resources for black mental health)

• JED Foundation (suicide prevention and how to talk to someone about mental health)

• Make It Ok (learning how to talk to people with MI)

• Now Matters Now (Dialectical Behavioral Therapy style help for those who are struggling or know someone who is)

• Sunshine Behavioral Health (resources and data on black mental health)

• Megan Thee Stallion launched an amazing site with a ton of resources: Bad B*tches Have Bad Days Too

Resources

• American Foundation for Suicide Prevention (processing grief or helping someone through a mental health emergency)

• BEAM (Black Emotional and Mental Health Collective)

• Born This Way Foundation (youth resources to help get involved in mental health advocacy)

• Duke Center for Girls and Women with ADHD (educating on how ADHD presents in Girls+Women with ADHD)

• Safe In Our World (Resources connecting gamers, gaming companies and mental health)

• Take This (resources reducing mental health stigma in the gaming community)

• The Trevor Project (focused on the mental health needs of LGBTQ+ youth)

• Job Accommodation Network (Resource when you can look up what you struggle with in the workplace based on your condition and see what kind of accommodations you can ask for)

Crowd Sourced Lists:

• This LMSW streamer/content creator made an extensive list of helpful mental health resources for other content creators.

• Keyne C. Law, PhD is an Assistant Professor of Clinical Psychology at Seattle Pacific University. She’s compiled this list of resources to use for Mental Health Emergencies when using 9-1-1 is not safe.

Finding Professionals

• American Psychiatric Association (they also have a directory of doctors)

• American Psychological Association (Explaining therapy)

• Anxiety and Depression Association of America

• Melanin and Mental Health

• National Institute of Mental Health

• To Write Love on Her Arms

• Open Path Collective (sliding scale professionals)
  

Courses

• Mental Health First Aid

• Lady Gaga’s Born This Way Foundation and Jack.org Be There certificate

Apps

Psyberguide (a site which reviews mental health-related apps)

I hope to keep adding to these lists. Please help by sending me resources you have used and trust.

Ideas for what to do if your friend is not feeling well: This Mental Health First Aid article did a great job outlining some basics
Ideas for what NOT to do. Also, see my article on Medium