ANNO - ANNO is a city-building and economic simulation video game series, with real-time strategy elements.

Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.

Tropico - Tropico is an Addictive, Strategy, Construction and Management, City Building, Sandbox and Single-player Simulation developed by PopTop Software.

Eventbrite - Discover Great Events or Create Your Own & Sell Tickets

Cities: Skylines - Cities: Skylines is a Construction and Management, City Building, and Single-player Simulation developed by Colossal Order and published by Paradox Interactive.

Bigtent - BigTent is a web-based organization and communication portal for groups.