EXPO software is distributed free of charge for academic, scientific, educational, noncommercial users and not-for-profit use.
It is required the payment of a license fee to commercial users.
For information about the distribution of EXPO, please, contact caterina.chiarella@ic.cnr.it.
A partial list of changes is available in the change log.
Windows

expo2-2.3.8-win64.exe (ver. 2.3.8, built on April 14 2025)
1 file(s) 87.96 MB
Mac OS X
Linux

expo2-2.3.8-jammy_amd64.deb (built on April 14 2025)
1 file(s) 8.34 MB
expo-2.3.8-noble_amd64.deb (built on April 14 2025)
1 file(s) 8.46 MB
Follow the instructions to install EXPO. Older versions of EXPO are considered obsolete and can be downloaded from this web page.