Switzerland

Switzerland is an open source software tool for testing the integrity of data communications over networks, ISPs and firewalls.

Free software · by Electronic Frontier Foundation · eff.org

Open Switzerland in AirStack

What Switzerland’s own pages say

What it says it doesSwitzerland is an open source software tool for testing the integrity of data communications over networks, ISPs and firewalls. eff.org
Open sourceYes eff.org
LicenseSwitzerland is free/open source software licensed under the GPL. eff.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.