Instead of ntopng
ntopng alternatives
ntopng is built around traffic visibility: it gathers packet and flow data from mirrors, exporters, SNMP devices, firewall logs, and intrusion detection systems, then provides real-time and historical exploration in an encrypted web interface. Its nDPI-based detection covers more than 450 Layer-7 protocols, and it reports application latency, throughput, retransmissions, packet loss, and VoIP metrics. A free Community edition, REST API, Lua scripting, and self-hosted support across several operating systems give teams different ways to deploy and extend it.
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Obkio
Free plan AndroidAPIiPhone+4Distributed synthetic network performance monitoring — Obkio adds SaaS-based synthetic tests between locations every 500 milliseconds, with device health, application checks, and visual traceroutes.
Free plan · 14-day trial Visit site - 2
Paessler PRTG Network Monitor
Free plan AndroidAPIiPhone+5On-premises monitoring of systems and infrastructure — PRTG monitors systems, devices, traffic, applications, and infrastructure from Windows servers, with more than 250 preconfigured sensors.
Free plan · paid from $200/mo (annual) · 30-day trial Visit site - 3
Fing Security
Free plan AndroidAPIiPhone+5Automated router and network security checks — Fing focuses on router vulnerabilities, unknown-device alerts, and camera detection rather than ntopng's traffic and flow analysis.
Free plan Visit site - 4
ManageEngine OpManager
Free plan AndroidAPIiPhone+4Network infrastructure and bandwidth management — OpManager combines device and server metrics with NetFlow, sFlow, J-Flow, and IPFIX analysis, plus severity-based fault management.
Free plan · paid from $95 · 30-day trial Visit site - 5
NetXMS
Free plan AndroidAPILinux+4Open-source network and infrastructure mapping — NetXMS adds automated layer 2 and IP discovery maps, distributed proxy monitoring, and support for industrial protocols.
Free plan Visit site - 6
Centreon
by CentreonFree plan Open source APILinuxSelf-hosted+2Business-aware monitoring across complex IT environments — Centreon monitors servers, networks, cloud environments, and applications in one platform, with more than 700 monitoring connectors.
Free plan · paid from €2.27 · 7-day trial Visit site - 7
Checkmk
Free plan Open source AndroidAPIiPhone+5Monitoring hybrid, cloud, and data center environments — Checkmk adds server, cloud, and container monitoring, with more than 2,000 smart checks and distributed scaling.
Free plan · paid from €190/mo (annual) · 30-day trial Visit site - 8
Sniffnet
Free plan Open source LinuxMacWindows - 9
bwmon
Free plan APILinuxSelf-hosted+1 - 10
Cacti
Free plan LinuxSelf-hostedWeb+1 - 11
ElastiFlow
Free plan APILinuxSelf-hosted+1 - 12
Akvorado
Free plan APILinuxMac+2 - 13
Bandwidth Monitor
Free plan APIiPhoneLinux+4 - 14
bmon
Free plan LinuxMac - 15
Intermapper
Free plan APILinuxMac+3 - 16
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FlowViewer
Free plan LinuxWeb - 18
MRTG
Free plan LinuxSelf-hostedWindows - 19
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Download Navi
Free plan Android - 21
iftop
Free plan Linux - 22
NetHogs
Free plan LinuxMac - 23
sFlowTrend
Free plan APILinuxMac+3 - 24
ManageEngine NetFlow Analyzer
Free plan AndroidiPhoneLinux+2 - 25
NetLimiter
Free plan Windows - 26
SoftPerfect Bandwidth Manager
Free plan LinuxMacWindows - 27
vnStat
Free plan LinuxSelf-hosted - 28
pmacct
Free plan LinuxSelf-hosted - 29
NetCrunch
Free trial APISelf-hostedWeb+1 - 30
NetVizura NetFlow Analyzer
Free trial LinuxSelf-hostedWeb+1 - 31
DU Meter
Free trial Windows
Its focus is narrower than products centered on end-to-end tests, security checks, or broad infrastructure monitoring. Multiple-interface aggregation and selected alert integrations require paid ntopng editions, with Pro priced at €299, paid once. The platforms do not include Android or iOS, unlike several alternatives here. Before switching, consider whether traffic and flow detail is your priority or whether you need synthetic tests, mobile access, device and server oversight, security checks, topology maps, or cloud and application monitoring. Also weigh a self-hosted installation against a SaaS service and the alternatives' stated pricing.
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