Mapline - Spreadsheets have never made you look so good. Sure, you can buy an expensive business intelligence mapping software that requires a Ph. D to use. Or you can use Mapline to create a map from Excel spreadsheet data in seconds.
Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
eSpatial - Mapping solution for visualizing, analyzing, & sharing data
FriendlyData - Communicate with databases like a human
BatchGEO - Make maps from a list of multiple addresses, create a mobile optimized map or locator.
SpreadsheetDB - A database that you can query with spreadsheets