over 16 thousand served

iStumbler is a free, open source tool for finding 802.11b & 802.11g wireless networks. iStumbler combines a compact Aqua user interface with visual feedback of signal strength and encryption.

Download iStumbler 83 (191K) for Mac OS 10.3 (Panther)

Release 83 updates the user interface for panther using mini-controls, new metal buttons and a completely redone preferences window. Built with Xcode this release is less than half the size of the last.

Download iStumbler 82 (672K) for Mac OS 10.2 (Jaguar)

Release 82 updates the user interface and fixes several unreported bugs with preferences not getting remembered or obeyed. It is the last Jaguar build of iStumbler.

View the Change Log to see what else is new in this release.

All versions require Mac OS 10.1 or better and an AirPort or AirPort Extreme Card

Help support iStumbler development, please donate to the GPS acquisition fund!

See the To Do List for other upcoming features and release plans you can help support.

iStumbler is available under a BSD Style Open Source License.

You can download iStumbler source code. (6M), modify it freely and submit patches to me for consideration.

Send me an email to suggest new features or to report a bug that's not already on the Bug List.

Vote for iStumbler on O'Reilly's

Mac Update Reader Rating (4 1/2 stars) 4.5 Stars

Version Tracker Overall Rating (3.8)

Copyright (c) 02003, Alf Watt ( All rights
reserved. Redistribution and use permitted under BSD License
in license.txt.