Mobile Beacon is dedicated to providing affordable, mobile, high-speed internet access to schools, libraries, and nonprofits so they can better carry out their missions. They have research papers at https://www.mobilebeacon.org/research/ on bridging the gap and creating opportunity through connectivity.
Mobile Citizen believes that making high-quality mobile internet available at an affordable price contributes to an engaged public and ultimately a more equitable democracy. They have case studies at https://mobilecitizen.org/resources/case-studies/ on youth guidance, mobile hotspots during disaster relief, immigrants, workforce, and many others.
PCs for People resellers provides services to both individuals and businesses looking to acquire or dispose of technology. They have resources for nonprofits including helping create a computer lab.
If you know of other resources that should be here, please let us know.