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Head-to-head · Network Protocol Analyzers

Scapy vs NETCAP

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Scapy #3 in Network Protocol Analyzers 9.0/10 Free plan Free plan✓ 5 of 5 features Visit Scapy
NETCAP #18 in Network Protocol Analyzers 7.4/10 Free plan · 14-day trial Free planFree trial✓ 4 of 5 features Visit NETCAP

Scapy leads on 0 checks, NETCAP on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreScapy · 9.0/10
  • Free planboth
  • Free trialonly NETCAP
  • Most featuresScapy · 5 of 5

Scapy scores higher on our rubric for network protocol analyzers: 9.0 against 7.4 out of 10; our editors rank them #3 and #18.

Scapy is the better fit for programmable packet crafting and analysis. NETCAP is the better fit for distributed analysis with reporting and AI assistance.

  • Scapy fits best

    Programmable packet crafting and analysis

  • NETCAP fits best

    Distributed analysis with reporting and AI assistance

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Scapy 9.0/10 Visit ↗ NETCAP 7.4/10 Visit ↗
At a glance
Editor score 9.0 7.4
Ranking #3 in Network Protocol Analyzers #18 in Network Protocol Analyzers
Best for Programmable packet crafting and analysis Distributed analysis with reporting and AI assistance
Pricing model Free Free plan + paid
Starting price Free plan —
Free plan ✓ ✓
Free trial — 14 days
Deployment Desktop, Self-hosted Desktop, Self-hosted
Platforms Windows, macOS, Linux Windows, macOS, Linux, Web
Support Docs Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Enterprise
Features Scapy 5/5 · NETCAP 4/5
PCAP support ✓ ✓
Traffic decryption ✓ (best) Not checked yet
CLI tools ✓ ✓
Remote capture ✓ ✓
Flow analysis ✓ ✓
Specs
Deployment Both Both
Capture sources Both Both
Our review
Pros
  • Build and send custom packets with Python or the interactive shell.
  • Decode protocols and import or export PCAP files.
  • Analyze flows and support remote capture through Wireshark extcap.
  • Live capture, PCAP processing, and distributed sensor collection
  • Structured exports include Protocol Buffers, CSV, JSON, and Prometheus
  • Pro adds graph, timeline, and AI-assisted anomaly analysis
Cons
  • Its workflow centers on Python and an interactive shell.
  • TLS decryption requires available session secrets.
  • It is a toolkit, not a hosted SaaS service.
  • Pro costs €49 per month
  • Core is centered on command-line workflows
  • Advanced investigation features are tied to Pro
Our verdict

Scapy is an open-source Python program and library for sending, sniffing, dissecting, forging, and analyzing network packets. It is aimed at users who need programmable control over packet construction and inspection rather than a fixed…

Read the review →

NETCAP is a network traffic analysis framework for security research, forensics, intrusion monitoring, and machine-learning workflows. Its open-source Core edition captures traffic from network interfaces, processes PCAP files, decodes…

Read the review →
  1. ScapyNetwork Protocol Analyzers 9.0Free plan
  2. NETCAPNetwork Protocol Analyzers 7.4Free plan · 14-day trial

Strengths and trade-offs

  • Scapy — where it wins

    • Build and send custom packets with Python or the interactive shell.
    • Decode protocols and import or export PCAP files.
    • Analyze flows and support remote capture through Wireshark extcap.

    Where it doesn't

    • Its workflow centers on Python and an interactive shell.
    • TLS decryption requires available session secrets.
    • It is a toolkit, not a hosted SaaS service.
  • NETCAP — where it wins

    • Live capture, PCAP processing, and distributed sensor collection
    • Structured exports include Protocol Buffers, CSV, JSON, and Prometheus
    • Pro adds graph, timeline, and AI-assisted anomaly analysis

    Where it doesn't

    • Pro costs €49 per month
    • Core is centered on command-line workflows
    • Advanced investigation features are tied to Pro
  • Scapy9.0/10 · Free plan

    A free, programmable toolkit for crafting, capturing, decoding, and analyzing packets.

    Visit ScapyFull verdict →
  • NETCAP7.4/10 · Free plan · 14-day trial

    NETCAP combines live capture, PCAP analysis, distributed collection, and AI-assisted investigation.

    Visit NETCAPFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update