1
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.
Alternatives
The Best Snyk Alternatives in 2026
24 alternatives3 free · 3 open source
Looking for something like Snyk? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 3 are free or have a free plan and 3 are open source.
Snyk helps software teams identify and manage security risks in code and dependencies while building AI-enabled applications.
Top picks at a glance
First suggestionSynkThe Snyk Security Database provides vulnerability details…Free or freemium optionProxy CheckProxy Check provides a proxy detection API for identifying…Open source optionAgentic RadarAgentic Radar scans agent workflows for security issues and…Another optionMetasploitUse Metasploit to find security issues, verify mitigations…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Synk | — | Not stated | Linux, Web |
| 2 | Metasploit | — | Not stated | Web |
| 3 | Proxy Check | Freemium | Not stated | Web |
| 4 | OTP Auth | Freemium | Not stated | iOS, Web |
| 5 | BrowserLeaks | — | Not stated | Web |
| 6 | 2FAuth | — | Not stated | Web |
| 7 | Supabase | — | Not stated | Web |
| 8 | Cli | — | Not stated | — |
| 9 | Agentic Radar | — | Yes | — |
| 10 | Octane | — | Not stated | Web |
All Snyk alternatives
2
Metasploit
metasploit.comAlso covers security and security tools · same kind of website
Use Metasploit to find security issues, verify mitigations, and manage authorized penetration testing assessments.
3
Also covers security and security tools · same kind of website · free plan
Proxy Check provides a proxy detection API for identifying proxy connections used in online services and game servers.
4
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.
5
BrowserLeaks
browserleaks.comAlso covers security and security tools · same kind of website
Test a browser for privacy leaks, including exposed IP addresses, device information, and fingerprinting risks.
6
2FAuth
docs.2fauth.appAlso covers security and security tools · same kind of website
Store, generate, and organize one-time password codes with 2FAuth, a self-hosted manager for individuals and teams.
7
Supabase
supabase.comAlso covers security and security tools · same kind of website
Supabase provides Postgres databases and application backend services for building software projects.
8
Cli
github.com/snyk/cliAlso covers security and security tools
Snyk CLI scans and monitors software projects for security vulnerabilities.
9
Also covers security and security tools · open source
Agentic Radar scans agent workflows for security issues and helps developers review potential risks.
10
Octane
octane.securityAlso covers security and security tools
Octane analyzes application code to find exploitable security vulnerabilities and trace attack paths.
11
Lucia
lucia-auth.comAlso covers security and security tools · same kind of website
Lucia was deprecated in March 2025. The website was updated in July 2026 and points to code/auth_session.ts as a single-file replacement for the NPM package and to the Auth Book for auth information.
12
x86 and x64 Intel Assembler
defuse.ca/online-x86-assembler.htmAlso covers security and security tools · same kind of website
The online assembler converts x86 and x64 instructions into machine-code bytes.
13
Aegis
getaegis.appAlso covers security and security tools · same kind of website
Manage two-step verification tokens on Android with Aegis Authenticator, a free, open-source app.
14
WFC
binisoft.org/wfc.phpAlso covers security and security tools · same kind of website
Manage Windows Firewall rules and receive outbound connection notifications with Windows Firewall Control.
15
Also covers security and security tools · open source · free plan
Build authentication into applications with Better Auth, an authentication framework.
16
Cybersecurity-Resources
github.com/Nickyie/Cybersecurity-ResourcesAlso covers 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.
17
Also covers security and security tools · open source
ClawMoat helps guard AI agents against data leaks, unsafe tool use, and poisoned dependencies through an open-source firewall.
18
Unblob
unblob.orgAlso covers security and security tools · same kind of website
unblob extracts files from complex binary blobs and firmware images, supporting security analysis of embedded software.
19
GoPlus Locker V3
gopluslabs.ioAlso covers security and security tools · same kind of website
GoPlus offers Web3 security tools including audits, APIs, a user security hub, and a browser extension.
20
Open Source Security Software
open-source-security-software.netAlso covers security and security tools · same kind of website
Browse open-source security software through the Freshermeat directory.
21
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.
22
Also covers security and security tools · same kind of website
Wazuh monitors systems and detects threats through an open source security platform for organizations.
23
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.
24
Crowdsec
crowdsec.netAlso covers security and security tools · same kind of website
Use community-sourced threat intelligence and blocklists from CrowdSec to support security operations.
No alternatives match this filter.
Alternatives to similar tools
OTP Auth24 alternativesGoPlus Locker V324 alternativesSynk24 alternativesMetasploit24 alternativesAegis24 alternativesBetter Auth24 alternatives
TopicSecurity Tools · 202 sites Best-of list8 Best Free Authenticator Apps for Codes and Recovery ListingSnyk details
What is the best alternative to Snyk?
Based on features, tags and platforms, the closest alternatives to Snyk are Synk, Metasploit, and Proxy Check.
Is there a free alternative to Snyk?
Yes. Proxy Check, OTP Auth, and Better Auth are free or offer a free plan.
Are there open-source alternatives to Snyk?
Yes: Agentic Radar, Better Auth, and ClawMoat.
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