nuBuilder Forte - Low-code, open-source RAD development tool for creating web-based database applications.
Meetup - Helps groups of people with shared interests plan events and facilitates off line group meetings in various localities around the world.
Microsoft Office Access - Access is now much more than a way to create desktop databases. It’s an easy-to-use tool for quickly creating browser-based database applications.
Facebook Local - Discover places to go and events happening near you
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Eventbrite - Discover Great Events or Create Your Own & Sell Tickets