A best api monitor tool, Automatic monitor all API and COM Interface. can spy any dll's api. automatic analysis symbols with pdb files. easy to moitor input/output parameters. Source Code Level Monitor

TracePlus/Winsock shows you the interaction between your Win32 application and Winsock 1.1/2.0, WININET, RAS, and Microsoft Winsock extensions with no modifications to your existing program

DBEasy is one of the most powerful applications based-windows platform database management. DBEasy software can manage MSSQL, Oracle, Access, Excel and DBF databases. DBEasy easily see table structure and data. It can easily import and export data.

Powerful, easy-to-use SQL tracer for various RDBMS: Oracle, MS SQL, MySQL, Interbase/Firebird, Advantage Server, ODBC, ADO. File and registry operations are supported as well. It's also possible to merge a SQL statement with its parameters

Tail4Win is used to monitor changes to files and display the changed lines in realtime. It is very usefull for monitoring log files of applications - e.g. Apache's logs or IIS's logs. It can capture and display OutputDebugString / TRACE.

DE Decompiler™ restores most parts of the compiled code and helps you to recover most parts of the lost sources. DE Decompiler™ has a wonderful code analyzer which makes your work easy and fast.