Neighborly - The easiest way to invest in your community
Rooster - Local sharing community where neighbors share free resources
Miraheze - Miraheze is a wiki farm (hosts wikis) for free and with no ads, it also provides custom domains...
CityCop - Outsmarting crime. Together.
Hoodmaps - Crowdsourced neighborhood 🗺 maps to navigate a city 💫
Nextdoor Now - Get the help you need from neighbors you trust