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Best Network Traffic Analysis Software in 2026

When you need to understand traffic moving through a network, compare what each tool makes visible and how it presents that activity. Application visibility, bandwidth monitoring, and conversation analysis speak to different ways of examining traffic; flow protocols and deployment are also worth checking against your environment. Monitored device limit, free plan, and paid-from pricing add practical points for comparing scale and cost. ManageEngine NetFlow Analyzer, ntopng, and Caligare Flow Inspector are among the named options. Use the listed criteria to focus on the traffic sources and details you need to examine.

26 apps
Research read 23 Sept 2026
How the order is worked out

1

ntopng

Free plan Open source APILinuxMac+3

ntopng combines traffic collection, protocol identification and performance metrics in a web interface.

8.7 Free plan Visit site
2

ElastiFlow

Free plan APILinuxSelf-hosted+1

7.5 Free plan · 30-day trial Visit site
3

Akvorado

Free plan APILinuxMac+2

Akvorado provides a flow-processing pipeline with enrichment and web-based exploration, at no listed price. Account for its database, proxy, and resource requirements before deployment.

7.4 Free plan Visit site
4

Caligare Flow Inspector

Free plan LinuxSelf-hostedWeb

Flow Inspector provides network visibility from NetFlow exports, with the free edition covering basic monitoring and a narrow device and history allowance.

7.4 Free plan · 30-day trial Visit site
5

Intermapper

Free plan APILinuxMac+3

Intermapper brings network discovery, monitoring, maps, traffic analysis, and reporting together for IT teams.

7.4 Free plan · pricing on request · 30-day trial Visit site
6

Argus

Free plan LinuxMacSelf-hosted+1

Argus combines packet sensing with client programs for flow pipelines and analysis, with several storage and geolocation options.

7.3 Open source Visit site
7

FlowViewer

Free plan LinuxWeb

FlowViewer offers reporting, filtering, graphing, and monitoring for network flow data at no software cost. Its Unix server requirement is an important deployment consideration.

7.1 Free plan Visit site
8

nfdump

Free plan LinuxSelf-hosted

Pick nfdump if you need a free Linux suite for collecting and analyzing network flow data, with several protocols and output formats.

6.9 Open source Visit site
9

ManageEngine NetFlow Analyzer

Free plan AndroidiPhoneLinux+2

NetFlow Analyzer combines bandwidth monitoring, application visibility, and conversation analysis with support for multiple flow protocols.

6.7 Free plan · paid from $172 · 30-day trial Visit site
10

Andrisoft Wansight

Free trial APILinuxSelf-hosted+1

Choose Wansight for Linux server based network traffic monitoring, analysis, and accounting, especially when flow or packet inspection and scheduled reporting are priorities.

6.6 From $345/yr · 30-day trial Visit site
11

pmacct

Free plan LinuxSelf-hosted

pmacct combines collection, traffic processing and multiple storage or messaging outputs in a free, self-hosted Linux package.

6.4 Free plan Visit site
12

NetVizura NetFlow Analyzer

Free trial LinuxSelf-hostedWeb+1

Choose NetVizura NetFlow Analyzer if your team needs detailed flow analysis, historical investigation, threshold alarms, and scheduled reports in a self-hosted deployment.

6.1 Pricing on request · 30-day trial Visit site
13

Noction Flow Analyzer

Free trial APILinuxSelf-hosted+1

Choose Noction Flow Analyzer if you need flow-based network monitoring, traffic analysis, alerting, and BGP FlowSpec mitigation in one deployment.

6.1 30-day trial Visit site
14

Cisco Catalyst Center

Paid APILinuxMac+3

5.9 Pricing on request Visit site
15

Progress Flowmon

Free trial APILinuxSelf-hosted+1

Choose Progress Flowmon if you need network visibility and behavior-based security monitoring in one platform, with deployment options spanning virtual, cloud, and hardware appliances.

5.9 Pricing on request · 30-day trial Visit site
16

Plixer Scrutinizer

Free trial APISelf-hostedWeb

Scrutinizer provides flow analytics, dashboards, and deployment options for network and security operations teams.

5.8 Pricing on request Visit site
17

SparrowIQ

Free trial AndroidiPhoneWeb+1

Choose SparrowIQ if a smaller business needs network traffic visibility, alerts, and historical reports alongside its existing management systems.

5.8 Pricing on request · 15-day trial Visit site
18

BrByte Captor

Paid Self-hostedWeb

Choose Captor if you need flow-based network monitoring, IPv4/IPv6 connection logs, or ASN analysis without a BGP session.

5.7 Visit site
19

SolarWinds NetFlow Traffic Analyzer

Free trial Self-hostedWebWindows

Consider NetFlow Traffic Analyzer if your network team needs detailed flow analysis, bandwidth monitoring, and scheduled traffic reporting.

5.7 Pricing on request · 30-day trial Visit site
20

NetGain Network Traffic Analytics

Paid LinuxSelf-hostedWeb

NetGain combines flow search, dashboards, alerts, reporting, and access controls for enterprise network visibility.

5.5 Pricing on request Visit site
21

Nagios Network Analyzer

Paid LinuxWeb

4.5 From $4,995 · 30-day trial Visit site
22

Cisco Meraki Dashboard

Paid Web

4.4 Pricing on request Visit site
23

Kentik Network Intelligence Platform

Paid Web

4.3 From $2,000/mo (annual) · 30-day trial Visit site
24

LiveAction LiveNX

Paid WebWindows

4.3 Pricing on request Visit site
25

Plixer Replicator

Paid Web

4.1 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

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