NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can extract transmitted files and certificates from PCAP files containing HTTP, FTP, SMB, SMB2, TFTP and several other protocols.




The best open source alternative to NetSpot is NetworkMiner. If that doesn't suit you, our users have ranked more than 25 alternatives to NetSpot and 15 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to NetSpot are WiFi Analyzer - VREM, Kismet, Vistumbler and Wi-Fi Info.
NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can extract transmitted files and certificates from PCAP files containing HTTP, FTP, SMB, SMB2, TFTP and several other protocols.




Optimize your WiFi network using WiFi Analyzer by examining surrounding WiFi networks, measuring their signal strength as well as identifying crowded channels.




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.




Vistumbler is a wireless network scanner and mapping utility designed for Windows Vista and above



Powerful network toolset packed into an Android app. Gathers and displays the information about the Wi-Fi network environment!.




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.




Feature-rich wifi hotspot creator for Linux which provides both GUI and command-line interface. It is also able to create a hotspot using the same wifi card which is connected to an AP already ( Similar to Windows 10).



Simple and powerful scanner for detecting any WIFI device around, and reporting the results to a text file saved on the SD card of the Android device.
Scan your wifi network and obtain troubleshooting details, with extreme granularity.




Packetyzer provides a Windows user interface for the Ethereal packet capture and dissection library. Ethereal is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education.



