NSIS Studio 2.1

NSIS Studio is a free tool for creating NSIS installers. It provides a GUI for managing files, sections, installation tasks, etc.
It supports both ANSI and Unicode versions of NSIS, it comes with options for customizing installer dialogs such as text, graphics, and messages. Project files can be saved and re-loaded at a later date. It also requires .NET Framework 3.5 or higher to run.