TrueDater - profile for online dating
baseportal - web database - easy, powerful and for free!
ebase® - Community Relationship Management for Nonprofits
Lazybase
The Non-Profit Executive: Database or E-Constituency Management Services
Population Index
LexisNexis AlaCarte!™
Pipl - People Search
OneBody
100+ More Wiki Tools and Resources
100+ More Wiki Tools and Resources
Swirrl: Online Database Software
Cospire.com - FREE Knowledge Management Wiki System
d'ART - The Internet Art Database
RoloPress - Free Open Source Contact Manager built on the WordPress platform.
Wowhead: What does it mean?
Thottbot - World of Warcraft
ThinkUp: Social Media Insights Platform
Using Google Docs as an Online Database
Is Google Apps Church Management Software? | Ministry Vault
Blist Prepares Easy Web-Based Database Application | TechCrunch
WordPress › DB Toolkit « WordPress Plugins
Using Google Spreadsheets Like a Database – The QUERY Formula « OUseful.Info, the blog…
Katie Piatt's Blog: Make a Searchable Online Database -or- I Love Google Spreadsheets
Welcome to freeDive: Data sharing for everyone
Socrata
Freebase
Knight Digital Media Center Freedive: Searchable databases from Google spreadsheets
Easy Online Database Software | Create Online Database Applications with Caspio
elvanto | Church Database, Online Worship Planning & Church Rostering Software