XtraBuild Designer - XtraBuild offers software development tools for database and reporting applications. No coding!
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Sheep - Membership and events for SMEs and nonprofits
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
DbFace - DbFace is an online database application & report building tool.
Bylde - Bylde is a SaaS platform you can use to Start, Manage and Grow your groups and communities.