Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Magnet Window Manager - Magnet Developers
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
Stay for OS X - Keep windows in their place
Ragic - World's most advanced online database engine. Build powerful online databases with simple Excel style online interface.
uBar - The Dock replacement for the Mac.