Download of OpenTrack 2.3.13 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. Commonly, this program's installer has the following filename: OpenTrack.exe.
We cannot guarantee that the program is safe to download as it will be downloaded from the developer's website. Before launching the program, check it with any free antivirus software. The software lies within Photo & Graphics Tools, more precisely 3D Design. The following version: 0.5 is the most frequently downloaded one by the program users. The actual developer of the free software is Tim Niiler.
From the developer:
OpenTrack software describes a railway network in special graphs called double vertex graphs. A user can edit the network’s topology graphically and every element of the graph holds various attributes. The user can create and manage objects for edges and vertices, and also signals, switches, stations and routes.
You may want to check out more software, such as Gagagu VR Streamer, which might be similar to OpenTrack.