Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store.
The Best 2FA Directory Alternatives in 2026
Looking for something like 2FA Directory? 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 1 are open source.
Find which websites support two-factor authentication and what methods they offer in this directory.
Top picks at a glance
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | OTP Auth | Freemium | Not stated | iOS, Web |
| 2 | Authenticator | — | Not stated | Web |
| 3 | ntop | — | Not stated | Web |
| 4 | Facia | — | Not stated | Web |
| 5 | WebAuthn | — | Not stated | Web |
| 6 | JPEGMedic ARWE | — | Not stated | Web |
| 7 | Better Auth | Freemium | Yes | Web |
| 8 | Mozilla SSL | — | Not stated | Web |
| 9 | The Webcam Network | — | Not stated | Web |
| 10 | mCaptcha | — | Not stated | Web |
All 2FA Directory alternatives
Authenticator
authenticator.ccGenerate two-factor authentication codes in Chrome, Firefox, or Edge with the Authenticator extension.
ntop
ntop.orgExplore ntop’s network visibility and cybersecurity offering; the supplied page gives little further detail.
Facia
facia.aiFacia provides deepfake and liveness detection for identity verification and authentication.
WebAuthn
webauthn.guideThis WebAuthn guide explains an authentication API intended to replace passwords with stronger authentication.
JPEGMedic ARWE
jpegmedic.com/tools/jpegmedic-arweJPEGMedic ARWE automatically recovers JPG files partially encrypted by ransomware, with a separate tool offering more recovery controls.
Build authentication into applications with Better Auth, an authentication framework.
Generate secure SSL configurations for selected web, database, and mail software.
The Webcam Network
the-webcam-network.comFind regional public webcam listings by place, with the directory aiming to cover locations around the world.
mCaptcha
mcaptcha.orgAdd proof-of-work verification to websites with mCaptcha, a privacy-focused automated CAPTCHA system.
SSL for Free provides SSL and wildcard certificates for enabling HTTPS on websites.
Plugins
plugins.hex-rays.comThis directory lists plugins for IDA Pro that add functions for reverse engineering workflows.
Open Source Security Software
open-source-security-software.netBrowse open-source security software through the Freshermeat directory.
challenges.re
challenges.reSolve reverse engineering challenges published on challenges.re, a challenge-focused site.
GoPlus Locker V3
gopluslabs.ioGoPlus offers Web3 security tools including audits, APIs, a user security hub, and a browser extension.
NVD
nvd.nist.govSearch the National Vulnerability Database, a public resource for vulnerability information.
tpscalls.live
tpscalls.liveView Toronto Police calls for service on a map that updates in real time, according to the supplied page description.
WhatsMyDNS
whatsmydns.netWhatsMyDNS checks DNS record propagation across global resolvers for record types including A, AAAA, MX, and TXT.
Metasploit
metasploit.comUse Metasploit to find security issues, verify mitigations, and manage authorized penetration testing assessments.
Synk
security.snyk.ioThe Snyk Security Database provides vulnerability details and remediation guidance for packages and cloud configurations.
URL Decoder/Encoder
meyerweb.com/eric/tools/dencoderThe URL Decoder and Encoder converts text between encoded and decoded forms, including JavaScript URLs.
Lucia
lucia-auth.comLucia 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.
DNSPerf
dnsperf.com/dns-providers-listDNSPerf compares the performance and uptime of enterprise and commercial DNS providers.
BugBountyHunting
bugbountyhunting.comSearch a community-curated collection of bug bounty writeups and learning resources.
Alternatives to similar tools
What is the best alternative to 2FA Directory?
Is there a free alternative to 2FA Directory?
Are there open-source alternatives to 2FA Directory?
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



















