Kismet
Kismet: A flexible, free toolkit for wireless capture, monitoring, analysis, and distributed sensors. Ranked #4 of 30 in Network Protocol Analyzers by our editors (8.9/10); pricing: Free plan; best for wireless packet capture and monitoring.
At a glance
- Editor score8.9 / 10
- PricingFree plan
- Best forWireless packet capture and monitoring
- Free planYes
- Paid fromFree
- DeploymentBoth
- Facts checked20 Sep 2026
Where it wins
- Captures Wi-Fi, Bluetooth, Zigbee, RF, and supported sensor traffic
- Supports remote sensors, PCAP workflows, APIs, and command-line tools
- Combines device tracking, WIDS alerts, logging, and trend monitoring
Where it doesn't
- Windows support runs through WSL rather than a native capture stack
- Its breadth may exceed the needs of teams focused on one protocol
- Known-key decryption support depends on having the relevant key
Our verdict on Kismet
Kismet is a free, open-source wireless monitoring and packet-capture tool for teams investigating Wi-Fi, Bluetooth, Bluetooth Low Energy, Zigbee, RF devices, and other supported protocols. It supports local interfaces and remote sensors, with headless operation for server or sensor deployments and an integrated web-based interface for monitoring. Network analysts, security teams, researchers, and operators managing distributed wireless visibility can use it for packet capture, device tracking, activity monitoring, and wireless intrusion-detection alerts.
The platform covers the workflow from capture through storage and analysis. Kismet can replay, export, and stream PCAP and PCAP-NG data, while unified SQLite-based kismetdb logging stores packets, devices, location, and trends. Its REST API, WebSocket endpoints, and Python modules support scripting and integration, and command-line tools cover capture, configuration, logging, and replay. Remote capture operates over WebSockets or TCP, which fits installations that separate sensors from the monitoring server. Kismet runs on Linux and macOS, with Windows support through WSL.
Its strongest fit is for wireless-focused work that benefits from multiple capture sources, distributed sensors, and protocol-aware monitoring in one open-source tool. The feature set reaches beyond basic sniffing into relationships between devices, filtering, tracking, trend-based monitoring, and WIDS alerts. Known-key decryption is documented for traffic such as WEP when the key is available. Teams needing a native Windows capture stack should look elsewhere, as should buyers seeking a narrow, ready-made analyzer for a single protocol rather than a configurable wireless monitoring system.
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Kismet pricing
Kismet fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Deployment | Both |
| Capture sources | Both |
| PCAP support | Yes |
| Traffic decryption | Yes |
| CLI tools | Yes |
| Remote capture | Yes |
| Flow analysis | Yes |
| Deployment | Self-hosted, Desktop |
| Platforms | Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | kismetwireless.net |
| Facts checked | 20 Sep 2026 |
Alternatives to Kismet
- WiresharkA broad, free desktop analyzer for live captures, PCAP files, filtering, and protocol inspection.9.4
- TSharkA free, scriptable Wireshark-based analyzer for live captures, PCAP files, and protocol workflows.9.2
- ScapyA free, programmable toolkit for crafting, capturing, decoding, and analyzing packets.9.0
Kismet vs the competition
- Kismet vs Wireshark
- Kismet vs TShark
- Kismet vs Scapy
- Kismet vs tcpdump
- Kismet vs Arkime
- Kismet vs Ettercap
Compare Kismet with any tool side by side →
Also Ranked In
Kismet is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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