Israeli entrepreneur Shari Arison launched Good Deeds Day (GDD) in 2007 (reported here previously). Many Israeli hi-tech startups organized volunteering activities for GDD 2021. They included Elad Software, GeoEdge, Capitolis, Bezeq Online, Riskified and Urban Place.
https://www.jpost.com/israel-news/israeli-tech-companies-volunteer-for-good-deeds-day-662059