1
Zeek
zeek.orgAlso covers cybersecurity, security, and security tools · same kind of website
Zeek analyzes network activity through an open source monitor with a flexible scripting language.
Alternatives
The Best ntop Alternatives in 2026
24 alternatives1 free · 6 open source
Looking for something like ntop? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 6 are open source.
Explore ntop’s network visibility and cybersecurity offering; the supplied page gives little further detail.
Top picks at a glance
First suggestionZeekZeek analyzes network activity through an open source…Free or freemium optionOTP AuthManage two-factor authentication codes with OTP Auth, an…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 | Zeek | — | Not stated | Web |
| 2 | Rawsec's CyberSecurity Inventory | — | Not stated | Web |
| 3 | CybersecTools | — | Not stated | Web |
| 4 | Cybersecurity-Resources | — | Not stated | — |
| 5 | Awesome List | — | Not stated | — |
| 6 | Infosec Resources | — | Not stated | — |
| 7 | Cybersources | — | Yes | — |
| 8 | Awesome GPT Agents | — | Yes | — |
| 9 | Plugins | — | Not stated | Windows |
| 10 | CertAlert | — | Not stated | Web |
All ntop 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
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.
5
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.
6
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.
7
Also covers cybersecurity, security, and security tools · open source
CyberSources curates cybersecurity tools and reference materials in a collection for security practitioners.
8
Also covers cybersecurity, security, and security tools · open source
This GitHub list curates GPT agents designed for cybersecurity work and related security tasks.
9
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.
10
CertAlert
certalert.netAlso covers security and security tools · same kind of website
CertAlert is named as a security tool, but the supplied page gives no details about its function.
11
Synk
security.snyk.ioAlso covers security and security tools · same kind of website
The Snyk Security Database provides vulnerability details and remediation guidance for packages and cloud configurations.
12
2FA Directory
2fa.directoryAlso covers security and security tools · same kind of website
Find which websites support two-factor authentication and what methods they offer in this directory.
13
JPEGMedic ARWE
jpegmedic.com/tools/jpegmedic-arweAlso covers security and security tools
JPEGMedic ARWE automatically recovers JPG files partially encrypted by ransomware, with a separate tool offering more recovery controls.
14
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.
15
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.
16
CybersecResources
cybersources.siteAlso covers security and security tools · same kind of website
CyberSources curates more than 540 cybersecurity tools, with the project emphasizing ethical security resources.
17
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.
18
Awesome Cyber Security
github.com/fabionoth/awesome-cyber-securityAlso covers security and security tools
This repository curates software, libraries, books, documents, and other resources about cybersecurity.
19
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.
20
Also covers security and security tools · same kind of website
Generate secure SSL configurations for selected web, database, and mail software.
21
Also covers security and security tools · open source
Configure network activity rules through Windows Filtering Platform with Simplewall.
22
Also covers security and security tools · open source
Set network rules by application or globally with Fort Firewall for Windows.
23
Also covers security and security tools · open source
Scan TCP ports with masscan, an asynchronous scanner designed for large network ranges.
24
Also covers security and security tools · open source
Scan applications, APIs, networks, DNS, and cloud configurations for vulnerabilities using Nuclei.
No alternatives match this filter.
Alternatives to similar tools
OTP Auth24 alternativesMozilla SSL24 alternativesJPEGMedic ARWE24 alternativesAwesome List24 alternativesInfosec Resources24 alternativesAwesome Cyber Security24 alternatives
TopicSecurity Tools · 202 sites Best-of list8 Best Free Authenticator Apps for Codes and Recovery Listingntop details
What is the best alternative to ntop?
Based on features, tags and platforms, the closest alternatives to ntop are Zeek, Rawsec's CyberSecurity Inventory, and CybersecTools.
Is there a free alternative to ntop?
Yes. OTP Auth is free or offer a free plan.
Are there open-source alternatives to ntop?
Yes: Cybersources, Awesome GPT Agents, Simplewall, and Fort.
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