This is 650-square-foot cement house that was built by a 3D printer. In less than 24 hours. For around only $10k. And ICON, the construction tech firm behind the Vulcan 3D printer that made it happen, says even that cost will eventually come down to around $4k, with build time for complete 400- to 800-square-foot homes possible in 12 to 24 hours.
GoLocalBot is a hyperlocal platform based on a Telegram chatbot for volunteers, helpers, activists and NGO to get connected to solve social issues locally. It is also capable of making a crowdmapping projects in a minutes. http://t.me/golocalbot
GivingWay is a platform that connects between people who want to volunteer (abroad or remotely) with almost 2,000 non-profits worldwide!
Volunteers & NGOs can find each other easily, cutting out placement agencies (+ their high fees). This transparency leads to better experiences for everyone - most importantly the local communities being served.