1)   AppToService 2.8
AppToService lets you run regular applications and servers as Windows services. This allows you to have some of the benefits of a Windows service, such as the ability to run an application even when no user is logged on the computer.

 2)   ServiceMill 3.10.59
Run and schedule your application without the need of a user session Run most executable: 16 bit (Dos, Windows, OS/2 1.x), 32 bit and batch files, Java Run custom applications developed using: Visual Basic, PowerBuilder, Delphi, etc.

 3)   AlwaysUp 6.7
AlwaysUp runs your application 24/7 as a Windows Service, monitoring it constantly to ensure 100% uptime. It will automatically restart your application if it crashes, hangs, or uses too much memory, and will send email to inform you of the event.

 4)   LaunchPad 0.8
LaunchPad allows you to run just about any program as a native Windows Service