CS-ExcelDiff 

ComponentSoftware ExcelDiff (CS-ExcelDiff) is an advanced Excel document comparison tool for Microsoft Windows which analyzes & presents differences in Excel documents containing either single or multiple sheets.
version control revision control system software configuration management programming tools inexpensive case tool source change control program problem tracking excel microsoft excel microsoft office

4TOPS Compare Excel Files 

This easy to use program that clearly reports where and what the differences are. Features: - Differences in HTML Analysis report and Visualization reports are hyperlinked - Can be used as part of an automated process using API (ActiveX)
in excel excel spreadsheet ms excel excel macro excel file worksheet spreadsheet xls workbook differ excel files excel document excel file compare

TwinSeek 

TwinSeek will speed sorting significantly by comparing all the files in a directory, and will then show what ones are 95% similar. TwinSeek can also used to provide a detailed comparison of the differences between two files.
file compare twin assembly sinner

DB SynchroComp 

DB SynchroComp detects the differences between two SQL Server database schemas and generates the script to match the structure of these schemas. At the same time it maintains all data integrity in the database that is the subject of synchronization
sql ms sql compare synchronize database collation structure script tool

Look n Find 

Five differences in two almost identical pictures have to be spotted, but dont forget the time. All your concentration is needed, can you spot them fastly? Full version comes with editor for own gamedata.
find pictures spot puzzle

Sync Database MySQL Edition 

Sync Database is an easy solution to compare and sync MySQL databases. Structure differences are quickly determined, you can review and modify sync actions, as well as generated SQL script.
mysql database synchronization schema ddl versions versioning