The Afghanistan Diaspora Hub website has a list of ways to help, including hosting a family, becoming a foster parent, volunteering, donating, advocating: afgdiasporahub.com
Of all the fundraising efforts toward evacuation, consider also donating to this, raising money for internally displaced Afghans who cannot leave the country. @FawziaKoofi77 is one of my heroines.
Here's a thread of resources for Afghans trying to leave Afghanistan. I am so infinitely sorry for what you are going through. I'll continue to update and please do add to the comments.
.@NowAfghans keeps their phenomenal site updated with visa options by country, legal assistance and other resources, including for journalists, educators and students: helpafghansnow.info/i-need-help/
This is the best document I've seen compiling the most current visa options by country and airport advice. It's a living document updated by @tweetsbymaisie and collaborators. Unfortunately, only in English right now. bit.ly/3xUWwCW