NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution.




The best free alternative to EMCO MSI Package Builder is NSIS, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to EMCO MSI Package Builder and 16 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to EMCO MSI Package Builder are WiX, Advanced Installer, IzPack and Wix#.
NSIS (Nullsoft Scriptable Install System) is a professional open source system to create Windows installers. It is designed to be as small and flexible as possible and is therefore very suitable for internet distribution.




The Windows Installer XML (WiX) is a toolset that builds Windows installation packages from XML source code. The toolset supports a command line environment that developers may integrate into their build processes to build MSI and MSM setup packages.

Advanced Installer is a powerful and easy to use setup authoring tool which offers full Windows Installer support and more. You can configure every aspect of your installer through a simple graphical user interface or through its command line.



WixSharp enables creating MSI files or WiX source code by using C# source code. Upon execution, the C# code is transformed into a MSI file or WiX source code. Thanks to C# features such as inheritance, it becomes easy to create installers.
InstallForge is a very easy-to-use and flexible tool for creating fast installation packages for Windows.




Professional installer software is an essential component for any software developer. The ideology behind the CreateInstall installer is based on two main principles. Complete control over the installation process and unlimited scalability.



Spend your time developing your creations not building the installers. Download the fully functional freeware version of Install Creator and create your first installation in less than one minute!
CyberInstaller Suite is a packetization and installation software, oriented to every kind of developer. Thus, it can be applied to any language or development environment (.Net, C++, C#, Delphi, Java, PHP, Visual Basic, etc.




InstallSimple - installation package maker that lets you create installer for your files.



SFX Tool is a graphical user interface and script generator for the Nullsoft Scriptable Install System. It allows the user to create simple setup files in minutes without writing a line of code. Advanced users may also edit the install script before it is compiled.

makeself.sh is a small shell script that generates a self-extractable tar.gz archive from a directory. The resulting file appears as a shell script (many of those have a .run suffix), and can be launched as is.