Thinstall is an Application Virtualization Platform that enables complex software to be delivered as self-contained EXE files which can run instantly with zero installation from any data source. The core of Thinstall VS is the Virtual Operating System, a small light-weight component which is embedded with each “Thinstalled” application.

What's new in Thinstall 3.3
* Thinstall can now generate auto-registering .msi files during the build process
* Support for running multiple versions of Internet Explorer simultaneously
* Support for virtual drives, CD-ROMs, and removable disk
* Support for 16bit applications
* Support for new applications such as Outlook 2007, AutoCAD 2008, and SQL Server
* Sandbox merge capability enabling application updates without repackaging
* Added ability to update applications while they are still running
* Added support for MSI installer service
* Added external COM-based management API
* Thinreg - an Application registration tool .

Key Features:
* Single EXE runs from network or offline desktop
* Simple to use, package & deploy in minutes
* No infrastructure changes: deploy with existing systems
* Runs exclusively in User-mode, no device drivers
* Application streaming with no client or server required
* Windows Vista ready – instant migration
* Runs on Terminal Server and MetaFrame (32bit & 64bit)
* Isolation of Filesystem & registryeliminates conflicts
* Upgrade applications while they are still running
* Sandboxing protects machines against modifications
* Supports most Windows applications
* Supports Side-by-Side (SxS) DLL deployments
* Plus many more: Click here for full Feature List.