1
ntop
ntop.orgAlso covers cybersecurity, security, and security tools · same kind of website
Explore ntop’s network visibility and cybersecurity offering; the supplied page gives little further detail.
Alternatives
The Best Zeek Alternatives in 2026
24 alternatives2 free · 5 open source
Looking for something like Zeek? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 5 are open source.
Zeek analyzes network activity through an open source monitor with a flexible scripting language.
Top picks at a glance
First suggestionntopExplore ntop’s network visibility and cybersecurity…Free or freemium optionCheckFileTypeCheckFileType identifies unknown files without extensions…Open source optionCybersourcesCyberSources curates cybersecurity tools and reference…Another optionRawsec's CyberSecurity InventoryRawsec’s CyberSecurity Inventory catalogs more than 1,700…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | ntop | — | Not stated | Web |
| 2 | Rawsec's CyberSecurity Inventory | — | Not stated | Web |
| 3 | CybersecTools | — | Not stated | Web |
| 4 | Infosec Resources | — | Not stated | — |
| 5 | Cybersecurity-Resources | — | Not stated | — |
| 6 | Awesome List | — | Not stated | — |
| 7 | Cybersources | — | Yes | — |
| 8 | Plugins | — | Not stated | Windows |
| 9 | Awesome GPT Agents | — | Yes | — |
| 10 | Spur | — | Not stated | Web |
All Zeek alternatives
2
Rawsec's CyberSecurity Inventory
inventory.raw.pmAlso covers cybersecurity, security, and security tools · same kind of website
Rawsec’s CyberSecurity Inventory catalogs more than 1,700 security tools and resources, helping practitioners browse a curated cybersecurity reference.
3
CybersecTools
cybersectools.comAlso covers cybersecurity, security, and security tools · same kind of website
Find and compare cybersecurity products across areas such as SIEM, endpoint security, identity, and cloud.
4
Infosec Resources
github.com/stong/infosec-resourcesAlso covers cybersecurity, security, and security tools
Browse this repository’s curated list of cybersecurity and information security resources.
5
Cybersecurity-Resources
github.com/Nickyie/Cybersecurity-ResourcesAlso covers cybersecurity, security, and security tools
A GitHub repository collecting a library of various cybersecurity resources, with folders for cybersecurity and hacking documentaries, cybersecurity YouTube channels, and free red team practice labs.
6
Awesome List
github.com/0xor0ne/awesome-listAlso covers cybersecurity, security, and security tools
Browse a cybersecurity-focused collection of links and resources in this repository.
7
Also covers cybersecurity, security, and security tools · open source
CyberSources curates cybersecurity tools and reference materials in a collection for security practitioners.
8
Plugins
github.com/x64dbg/x64dbg/wiki/PluginsAlso covers cybersecurity, security, and security tools
Browse plugins for x64dbg, a Windows debugger used for reverse engineering and malware analysis.
9
Also covers cybersecurity, security, and security tools · open source
This GitHub list curates GPT agents designed for cybersecurity work and related security tasks.
10
Spur
spur.usAlso covers security and security tools · same kind of website
Spur analyzes internet infrastructure and network signals to help investigators interpret obfuscated connections.
11
Kismet
kismetwireless.netAlso covers security and security tools · same kind of website
Kismet monitors and captures Wi-Fi network traffic, with wireless intrusion detection and wardriving features.
12
Also covers security and security tools · open source
Configure network activity rules through Windows Filtering Platform with Simplewall.
13
Threat Radar
radar.offseq.comAlso covers security and security tools · same kind of website
Threat Radar displays current cyber threat intelligence on a live map, showing security activity from its data sources.
14
Also covers security and security tools · same kind of website · free
CheckFileType identifies unknown files without extensions by analyzing their contents.
15
Canary Tokens
canarytokens.org/generateAlso covers security and security tools · same kind of website
Canary Tokens creates decoy files and links that alert users when someone accesses them, helping detect unauthorized activity.
16
Also covers security and security tools · same kind of website
Wazuh monitors systems and detects threats through an open source security platform for organizations.
17
Security Onion Solutions
securityonionsolutions.comAlso covers security and security tools · same kind of website
Security Onion Solutions develops and supports products related to its Security Onion security monitoring platform.
18
Nmap
nmap.orgAlso covers security and security tools · same kind of website
Discover hosts and map networks with Nmap, a network exploration and security scanning tool.
19
Octane
octane.securityAlso covers security and security tools
Octane analyzes application code to find exploitable security vulnerabilities and trace attack paths.
20
Also covers security and security tools · open source
Set up a Windows virtual machine for reverse engineering with FLARE-VM’s software installation scripts.
21
Also covers security and security tools · open source
acme.sh automates SSL and TLS certificate management using a Unix shell script ACME client.
22
Cli
github.com/snyk/cliAlso covers security and security tools
Snyk CLI scans and monitors software projects for security vulnerabilities.
23
Also covers security and security tools · same kind of website · free plan
Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store.
24
Also covers security and security tools · same kind of website
Generate secure SSL configurations for selected web, database, and mail software.
No alternatives match this filter.
Alternatives to similar tools
OTP Auth24 alternativesMozilla SSL24 alternativesInfosec Resources24 alternativesAwesome List24 alternativesFlare VM24 alternativesCybersecurity-Resources24 alternatives
TopicSecurity Tools · 202 sites Best-of list8 Best Free Authenticator Apps for Codes and Recovery ListingZeek details
What is the best alternative to Zeek?
Based on features, tags and platforms, the closest alternatives to Zeek are ntop, Rawsec's CyberSecurity Inventory, and CybersecTools.
Is there a free alternative to Zeek?
Yes. CheckFileType and OTP Auth are free or offer a free plan.
Are there open-source alternatives to Zeek?
Yes: Cybersources, Awesome GPT Agents, Simplewall, and Flare VM.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative