Nullsoft - (Open Source)
NSIS is a professional tool that helps creating very easily Windows installers.
NSIS (Nullsoft Scriptable Install System), developed by the publisher of Winamp , is a professional open source system that allows creating distribution of software over the Internet in a very flexible and easy possible manner.
A safe and effective installer is a major thing for users during the first installation, so NSIS installs the software as desired.NSIS is based on scripts to handle the most complex installation tasks starting with creation of web installers, communication with Windows and other software components, installation or update of shared components etc.
NSIS 2.42 is released. This release includes a new simpler and more powerful
plug-in API, vastly improved and thoroughly tested version of WinVer.nsh, and
disposes of two great evils - /NOUNLOAD and useful header functions usage
declaration. As usual and especially for the holiday season, the customary
collection of bug fixes and minor improvements is also included free of charge.
Release Notes
* Merry Christmas and a happy Hanukkah!
* Plug-in developers should check out the new plug-in API in
ExamplesPlugin and convert their plug-ins, especially in case they
require staying loaded.