1
Also covers internet, open source, and security · same kind of open-source project
Scan TCP ports with masscan, an asynchronous scanner designed for large network ranges.
Alternatives
The Best Nuclei Alternatives in 2026
24 alternatives0 free · 18 open source
Looking for something like Nuclei? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 18 are open source.
Scan applications, APIs, networks, DNS, and cloud configurations for vulnerabilities using Nuclei.
Top picks at a glance
First suggestionmasscanScan TCP ports with masscan, an asynchronous scanner…Another optionBeVigilBeVigil scans mobile apps and provides security scores…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | masscan | — | Yes | — |
| 2 | BeVigil | — | Not stated | Android, Web |
| 3 | BeVigil | — | Not stated | Android, Web |
| 4 | NetGuard | — | Not stated | Android, Web |
| 5 | Hydra | — | Yes | — |
| 6 | iOS + macOS Configs | — | Yes | iOS, macOS |
| 7 | Nuclei | — | Not stated | Web |
| 8 | Agentic Radar | — | Yes | — |
| 9 | Simplewall | — | Yes | Windows |
| 10 | Fort | — | Yes | Windows |
All Nuclei alternatives
2
BeVigil
bevigil.com/searchAlso covers internet, security, and security tools
BeVigil scans mobile apps and provides security scores based on its indexed app data.
3
BeVigil
bevigil.comAlso covers internet, security, and security tools
Search mobile app metadata and inspect security scores with BeVigil’s mobile app security engine.
4
NetGuard
netguard.meAlso covers internet, security, and security tools
Block internet access per Android app with NetGuard, a firewall that does not require root.
5
Also covers internet, open source, and security tools · same kind of open-source project
Add OpenID Connect and OAuth 2.1 identity-provider capabilities through Ory Hydra’s headless APIs.
6
Also covers open source, security, and security tools · same kind of open-source project
Configure DNS over HTTPS on iOS and macOS using the provided configuration profiles.
7
Nuclei
docs.projectdiscovery.io/tools/nucleiAlso covers security and security tools
Nuclei scans for vulnerabilities using customizable templates written in YAML.
8
Also covers open source, security, and security tools · same kind of open-source project
Agentic Radar scans agent workflows for security issues and helps developers review potential risks.
9
Also covers open source, security, and security tools · same kind of open-source project
Configure network activity rules through Windows Filtering Platform with Simplewall.
10
Also covers open source, security, and security tools · same kind of open-source project
Set network rules by application or globally with Fort Firewall for Windows.
11
Cli
github.com/snyk/cliAlso covers security and security tools · same kind of open-source project
Snyk CLI scans and monitors software projects for security vulnerabilities.
12
Synk
security.snyk.ioAlso covers security and security tools
The Snyk Security Database provides vulnerability details and remediation guidance for packages and cloud configurations.
13
Also covers open source, security, and security tools · same kind of open-source project
Karma Firewall is an Android firewall that states it requires no internet permission and intercepts no allowed user traffic.
14
Also covers open source, security, and security tools · same kind of open-source project
Security and best-practice issues in container images can be checked with Dockle.
15
Also covers open source, security, and security tools · same kind of open-source project
AllSafe provides an intentionally vulnerable Android app for security testing and practice.
16
Also covers open source, security, and security tools · same kind of open-source project
Browse a curated collection of information security tools, links, and learning resources.
17
Also covers open source, security, and security tools · same kind of open-source project
Set up a Windows virtual machine for reverse engineering with FLARE-VM’s software installation scripts.
18
Also covers open source, security, and security tools · same kind of open-source project
This GitHub list collects books, guidelines, blogs, videos, tools, and cases related to CI/CD security.
19
Also covers open source, security, and security tools · same kind of open-source project
acme.sh automates SSL and TLS certificate management using a Unix shell script ACME client.
20
Also covers open source, security, and security tools · same kind of open-source project
CyberSources curates cybersecurity tools and reference materials in a collection for security practitioners.
21
Also covers open source, security, and security tools · same kind of open-source project
Analyze software with Ghidra, a framework for reverse engineering compiled programs.
22
Also covers open source, security, and security tools · same kind of open-source project
AndroGuard provides tools for reverse engineering and penetration testing Android applications.
23
Also covers open source, security, and security tools · same kind of open-source project
This repository collects lists of tools and resources for hackers and security researchers.
24
Also covers open source, security, and security tools · same kind of open-source project
Manage GnuPG keys from a terminal with gpg-tui, a text-based key management interface.
No alternatives match this filter.
Alternatives to similar tools
Awesome Hacking24 alternativesiOS + macOS Configs24 alternativesKarma24 alternativesFlare VM24 alternativesAndroGuard24 alternativesSynk24 alternatives
TopicSecurity Tools · 202 sites Best-of list8 Best Free Authenticator Apps for Codes and Recovery ListingNuclei details
What is the best alternative to Nuclei?
Based on features, tags and platforms, the closest alternatives to Nuclei are masscan, BeVigil, and BeVigil.
Are there open-source alternatives to Nuclei?
Yes: masscan, Hydra, iOS + macOS Configs, and Agentic Radar.
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