Download of ADOS 1.1 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available.
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 program lies within Education Tools, more precisely Science Tools. This program was originally created by Diginaut.
From the developer:
ADOS Optical Design, Analysis and Optimization program Basic properties of ADOS: - Easy to use - intuitive user interface with drop down menues, dialog boxes, check lists. All commands can be entered with mouse and/or keyboard. You can concentrate on the optical details of your problem, since user interface is easy and intuitive.
You may want to check out more software, such as ADO Component Suite, Query Tool using ADO 6.1 or Statement Tracer for ADO, which might be related to ADOS.