Using DDE to pass QSO data to external loggers
DXBase software
Here is a sample application to pass data to DXBase software (http://www.dxbase.com/).
Download Visual Basic source code and EXE file: Mix2DxBase6.zip.
(All Visual Basic EXE files require Visual Basic 6 DLLs to be present in your system.)

Click Send! button to send data to DXBase.
Or, create keyboard macro (for example, for F2 key):
Macro: F2
Label: Save
Text: <QSOCMDDDE:WRITE><QSOCMDDDE:>
Then use F2 to get the same result.
CQ LOG software
CQ Log is a powerful logging program from RA3DCT (http://www.cqlog.com). The setup procedure is quite easy: just select MixW from the drop-down menu in Log Setup dialog:

CQ Log immediately gets all the data entered into the log window in MixW. It also handles Save and Remove buttons:
Using
DDE to pass QSO data from external programs
DX Spotter software
DXSpotter is a
Win32 HAM Radio application for working with DX Clusters by using
TCP/IP protocol for communications. It is adapted to satisfy most
DX'ers needs.
This picture
shows how to set up DXSpotter to work with MixW:

Using DDE to pass data to external maps
DX Atlas software
Here is a sample application to pass data to DX Atlas software (http://www.dxatlas.com/).
Download Visual Basic source code and EXE file: Mix2DxAtlas1.zip.

This sample program plots your own and other operator's position on the map. If you are using a callbook and it contains other operator's coordinates, they will be used instead of approximate ones calculated from his callsign.