Vistumbler is not available for Linux but there are a few alternatives that runs on Linux with similar functionality. The best Linux alternative is Kismet, which is free. If that doesn't work for you, our users have ranked more than 10 alternatives to Vistumbler, but unfortunately only two of them are available for Linux. If you can't find an alternative you can try to filter for web or SaaS options.
Kismet is an 802.11 layer2 wireless network detector, sniffer, and intrusion detection system. Kismet will work with any wireless card which supports raw monitoring (rfmon) mode, and (with appropriate hardware) can sniff 802.11b, 802.11a, 802.11g, and 802.11n traffic.
netsniff-ng is a free, performant Linux networking toolkit. The gain of performance is reached by zero-copy mechanisms, so that on packet reception and transmission the kernel does not need to copy packets from kernel space to user space and vice versa.