Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Sesame Database Manager - Lantica Software, LLC - Sesame, A Q&A-compatible Database Manager.
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets
XtraBuild Designer - XtraBuild offers software development tools for database and reporting applications. No coding!
Bylde - Bylde is a SaaS platform you can use to Start, Manage and Grow your groups and communities.
CentriQS - CentriQS offers small business management software and custom database solutions for small and medium enterprise businesses.