NSIS (Nullsoft Scriptable Install System) is a professional open-source tool for the development of Windows installers. It is designed to be as small and flexible as possible and is therefore highly suitable for internet distribution.
NSIS 3.0a0 is released. This is the first alpha version of the next major NSIS release. Lots of bug fixes and new features were included. The biggest feature is Unicode support based on Jim Park's fork. Wizou and Anders did great work at merging it back in. We plan to also introduce native x64 installers for the final release of 3.0, based on David Golub's work.