Download

Please note that we accept donations via Credit Card / PayPal. We'll use the funds for the betterment of the project. GNS3 is (and will remain) free, so please do not feel obligated.



File Platform Note Download
GNS3-0.5-win32-all-in-one.exe Windows Installer which includes Dynamips 0.2.8 RC2 (Cisco IOS emulator), Pemu (PIX emulator), WinPCAP 4.0.2 and the binary version of GNS3 0.5.
Recommended for beginners

Mirror 1
Mirror 2

GNS3-0.5-bin-win32.zip Windows Binary version made with Py2exe (dependencies included). Mirror 1
Mirror 2
GNS3-0.5-src.zip Source
Zip source archive. Mirror 1
Mirror 2
GNS3-0.5-src.tar.gz
Source
Gzip source archive. Mirror 1
Mirror 2
GNS3-0.5-src.tar.bz2 Source
Bzip2 source archive. Mirror 1
Mirror 2
GNS3-0.5-intel.dmg OSX
DMG package. Mirror 1
Mirror 2

For an installation from the sources, GNS3 requires the following dependencies to be installed: Qt, Python, Sip, and PyQt. Please see the README for more information. Old releases can be download here, or on sourceforge here

A GNS3 .deb package is now available, until officially released with Debian/Ubuntu follow instructions on http://gpl.code.de/oswiki/GplcodedeApt and install "gns3" package.