ns-3

ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use.

Network simulator · nsnam.org

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What ns-3’s own pages say

What it says it doesns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. nsnam.org
PlatformsBSD, GNU/Linux, Windows, macOS nsnam.org
Free planYes nsnam.org
Open sourceYes nsnam.org
Licenselicensed under the GNU GPLv2 license nsnam.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-04. A missing field means AirStack has not found it on its pages.