There was a download of IERS 5.0 on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The program's installer is commonly called iersver4.exe or iersver5.exe etc.
The software lies within Communication Tools, more precisely Social. This free program is an intellectual property of Seacom International Inc. The following version: 5.0 is the most frequently downloaded one by the program users. 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.
From the developer:
IERS is designed for Emergency Operations Centers and Agencies (Fire, Police, Military, Ambulance, Government and Industry).
You may want to check out more software, such as Icecream Ebook Reader, which might be related to IERS.