Israeli startup GivingWay matches volunteers with non-profits desperately needing the help. GivingWay now has 4,000 vetted nonprofits in 123 countries on its platform, connecting with thousands of volunteers worldwide. 50% of volunteers work from home, e.g. building websites for the charity.
https://www.israel21c.org/want-to-volunteer-for-a-cause-givingway-makes-the-match/