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 Mozilla SSL Alternatives in 2026
24 alternatives1 free · 2 open source
Looking for something like Mozilla SSL? 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 2 are open source.
About Mozilla SSLssl-config.mozilla.org
VisitGenerate secure SSL configurations for selected web, database, and mail software.
Top picks at a glance
First suggestionSynkThe Snyk Security Database provides vulnerability details…Free or freemium optionOTP AuthManage two-factor authentication codes with OTP Auth, an…Open source optioniOS + macOS ConfigsConfigure DNS over HTTPS on iOS and macOS using the…Another optionNVDSearch the National Vulnerability Database, a public…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | Synk | — | Not stated | Linux, Web |
| 2 | NVD | — | Not stated | Web |
| 3 | 2FAuth | — | Not stated | Web |
| 4 | SSLLabs | Free trial | Not stated | Web |
| 5 | Authenticator | — | Not stated | Web |
| 6 | SSLMate CAA | — | Not stated | Web |
| 7 | Advisory Database | — | Not stated | — |
| 8 | iOS + macOS Configs | — | Yes | iOS, macOS |
| 9 | Nuclei | — | Yes | — |
| 10 | OTP Auth | Freemium | Not stated | iOS, Web |
All Mozilla SSL alternatives
2
NVD
nvd.nist.govAlso covers security and security tools · same kind of website
Search the National Vulnerability Database, a public resource for vulnerability information.
3
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.
4
Also covers security and security tools · same kind of website
SSL Labs provides tools for testing SSL and TLS configurations and related public key infrastructure.
5
Authenticator
authenticator.ccAlso covers security and security tools · same kind of website
Generate two-factor authentication codes in Chrome, Firefox, or Edge with the Authenticator extension.
6
SSLMate CAA
sslmate.com/caaAlso covers security and security tools · same kind of website
SSLMate CAA helps generate CAA DNS records and explains which certificate authorities support the record type.
7
Advisory Database
github.com/github/advisory-databaseAlso covers security and security tools
GitHub Advisory Database catalogs CVEs and GitHub-originated security advisories affecting open-source software.
8
Also covers security and security tools · open source
Configure DNS over HTTPS on iOS and macOS using the provided configuration profiles.
9
Also covers security and security tools · open source
Scan applications, APIs, networks, DNS, and cloud configurations for vulnerabilities using Nuclei.
10
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.
11
Binary Ninja
binary.ninja/freeAlso covers security and security tools · same kind of website
Binary Ninja supports software reverse engineering and can be tried in a browser or installed as a desktop application.
12
Supabase
supabase.comAlso covers security and security tools · same kind of website
Supabase provides Postgres databases and application backend services for building software projects.
13
Snyk
snyk.ioAlso covers security and security tools · same kind of website
Snyk helps software teams identify and manage security risks in code and dependencies while building AI-enabled applications.
14
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.
15
challenges.re
challenges.reAlso covers security and security tools · same kind of website
Solve reverse engineering challenges published on challenges.re, a challenge-focused site.
16
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.
17
WhatsMyDNS
whatsmydns.netAlso covers security and security tools · same kind of website
WhatsMyDNS checks DNS record propagation across global resolvers for record types including A, AAAA, MX, and TXT.
18
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.
19
tpscalls.live
tpscalls.liveAlso covers security and security tools · same kind of website
View Toronto Police calls for service on a map that updates in real time, according to the supplied page description.
20
mCaptcha
mcaptcha.orgAlso covers security and security tools · same kind of website
Add proof-of-work verification to websites with mCaptcha, a privacy-focused automated CAPTCHA system.
21
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.
22
URL Decoder/Encoder
meyerweb.com/eric/tools/dencoderAlso covers security and security tools · same kind of website
The URL Decoder and Encoder converts text between encoded and decoded forms, including JavaScript URLs.
23
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.
24
DNSPerf
dnsperf.com/dns-providers-listAlso covers security and security tools · same kind of website
DNSPerf compares the performance and uptime of enterprise and commercial DNS providers.
No alternatives match this filter.
Alternatives to similar tools
OTP Auth24 alternativesNVD24 alternativeschallenges.re24 alternativesGoPlus Locker V324 alternativesWhatsMyDNS24 alternativesAdvisory Database24 alternatives
TopicSecurity Tools · 202 sites Best-of list8 Best Free Authenticator Apps for Codes and Recovery ListingMozilla SSL details
What is the best alternative to Mozilla SSL?
Based on features, tags and platforms, the closest alternatives to Mozilla SSL are Synk, NVD, and 2FAuth.
Is there a free alternative to Mozilla SSL?
Yes. OTP Auth is free or offer a free plan.
Are there open-source alternatives to Mozilla SSL?
Yes: iOS + macOS Configs and Nuclei.
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