ServiceShell 1.7 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most popular versions of the software are 1.7 and 1.3.
The ServiceShell installer is commonly called ServiceShellManager.exe. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software. This tool was originally designed by UInterface. The program is categorized as System Utilities.
From the developer:
ServiceShell is a user-defined Windows service manager. With ServiceShell, you can register your normal application program as a service and manage it easily.
Once your application program changed to the service by ServiceShell, it will be started at boot time (before log-in) and stay running even if the Windows session being ended.
You may want to check out more software, such as AutoDialogs, FavoriteSync or Kana Launcher, which might be related to ServiceShell.