Based on Autoit automation tool, these scripts allow you to run your own appls on windows Desktop0 (Logon screen).
File list:
RunAtWinlogon
............\readme.txt
............\RunAtWinlogon.au3
............\RunAtWinlogon.config
............\RunAtWinlogon.exe
............\RunAtWinlogon64.exe
............\RunAtWinlogonExec.au3
............\RunAtWinlogonExec64.exe
............\RunAtWinlogonWrapper.au3
............\RunAtWinlogonWrapper.exe
............\RunAtWinlogonWrapper.reg
............\RunAtWinlogonWrapper64.exe
............\ServiceKick.au3
............\ServiceKick.exe
............\ServiceKick64.exe