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.
challenges.re
vsOTP Auth
challenges.re vs OTP Auth
How do challenges.re and OTP Auth compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | challenges.re | OTP Auth |
|---|---|---|
| What it is | Solve reverse engineering challenges published on challenges.re, a challenge-focused site. | Manage two-factor authentication codes with OTP Auth, an iOS app listed on the App Store. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Freemium |
| Platforms | Web | iOS, Web |
| Open source | Not stated | Not stated |
| Language | — | English |
| Alternatives |
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24 alternatives
GoPlus offers Web3 security tools including audits, APIs, a user security hub, and a browser extension.
Search the National Vulnerability Database, a public resource for vulnerability information.