RAIS 4.20 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.
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 most popular versions among RAIS users are 4.2, 3.2 and 3.0. This free program is an intellectual property of IAEA. MSACCESS.EXE and Rais.exe are the most common filenames for this program's installer. RAIS is included in Development Tools.
From the developer:
RAIS promotes a consistent and common approach to the regulatory control of radiation sources whilst offering flexibility to respond to specific needs of the Member Statess, with due account of national legislative framework, administrative structure and institutional and regulatory framework.
You may want to check out more software, such as RAI ESTIMATION, RaiBlocks or Qodec , which might be similar to RAIS.