Best Auth0 Alternatives in 2026
5 products on AppBoard.pro are listed as alternatives to Auth0: competitors and similar tools, ranked by community engagement.
Mostly Cybersecurity & Privacy, AI and Developer Tools.
Visit Auth0Auth0 alternatives and competitors compared
How we picked: Every product here lists itself as an alternative to Auth0; the ones that share its category or use case (Cybersecurity & Privacy or Detect and Stop Bots) come first, and each group is ranked by community engagement. No product can pay for position.
| Product | Best for | Pricing model | Platforms | Rating |
|---|---|---|---|---|
| OnSefy | B2B SaaS Companies, Developers | Freemium | Web, API | ★ 5.0 |
| Arka - Enterprise MCP Gateway | AI Developers, AI Engineers | Contact for Pricing | Web, API, MCP | Not rated yet |
| HUMA | Developers, B2B SaaS Companies | Freemium | Web, API | Not rated yet |
| CertLocker | DevOps Engineers, IT Leaders / Engineers | Freemium | Web, API | Not rated yet |
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Other products listed as Auth0 alternatives
These list themselves as alternatives to Auth0 but sit in a different category or use case, so they may replace only part of it.
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Auth0 alternatives: common questions
- What are some Auth0 competitors and similar tools?
- AppBoard.pro lists 5 alternatives to Auth0, mostly Cybersecurity & Privacy, AI and Developer Tools tools. The most engaged right now are OnSefy, Arka - Enterprise MCP Gateway, HUMA and CertLocker.
- What is the best Auth0 alternative?
- OnSefy currently ranks first here: Stop fake signups with AI fraud detection. The order comes from community engagement rather than an editorial verdict, so the right replacement still depends on which part of Auth0 you are trying to replace.
- Are there free Auth0 alternatives?
- Yes. 4 of the alternatives listed here offer a free or freemium plan, including OnSefy, HUMA, CertLocker and Regulance.
- How are these Auth0 alternatives ranked?
- Products that share Auth0's category or use case come first. Within each group the order comes from a points-based score that blends recent upvotes, saves, follows, ratings and real click-throughs with the reputation other makers have invested in a product. Recent activity counts for more than old activity, no position in this list is for sale, and the order changes as people vote.