Downloading SETH 0.1.8.8 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. The software is included in Photo & Graphics Tools.
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. The actual developer of the free program is Sascha Willems. SETH.exe is the frequent file name to indicate this program's installer. The most popular versions of the software 1.0 and 0.1.
From the developer:
SETH is a fully integrated IDE for prototyping Vertex- and Fragmentshader under OpenGL using the fxPascal-HLSL
The goal is to create an easy to use Shader-IDE to give developers an easy way of testing and creating OpenGL-Vertex/Pixelshader in an easy to understand pascal-like HLSL.
You may want to check out more software, such as UBot Studio or Solitaire Battleship, which might be similar to SETH.