There was a download of NSIS Studio 2.1 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. NSIS Studio lies within Development Tools, more precisely Distribution. The most popular version of the program is 2.1.
The program's installer file is generally known as NSISStudio.exe. The actual developer of the free software is Tony George. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
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.
You may want to check out more software, such as Stylus Studio, Nature Illusion Studio or Thumb Studio, which might be similar to NSIS Studio.