supra 11.3 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The supra installer is commonly called Herramientas.exe, ProfeSupra.exe or Supra.exe etc.
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 supra. The following versions: 11.3 and 1.6 are the most frequently downloaded ones by the program users. Supra lies within Education Tools, more precisely Science Tools.
From the developer:
SUPRA is based on an algorithm of analysis of material flow similar to the usual minimax.
Additionally SUPRA still have the alpha beta algorithm with wormhole filtering, killer moves heuristic, vertical filter and positive/negative float filter in a way to cut the number of nodes examined and traverse the search tree faster.
You may want to check out more software, such as TIM USB Transfer, which might be similar to supra.