Alternatives to ZITADEL

4 editor-selected alternatives · ZITADEL overview →

source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order

A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.

Clerk

90/100freemiumexplicit relation

Clerk is a complete authentication and user management platform for React, Next.js, and modern JavaScript frameworks. It provides pre-built UI for sign-in, sign-up, user profiles, organizations, MFA, passkeys, JWT sessions, webhooks, and billing. The Hobby plan supports up to 50,000 monthly retained users per app, with Pro, Business, and Enterprise tiers for growing teams.

Clerk offers a generous Free Hobby tier supporting up to 50,000 Monthly Retained Users (MRUs) with 3 team seats. The Pro tier starts at $25/month including 50,000 MRUs ($0.02 per extra MRU) and 1 Enterprise SSO connection, while the Business tier starts at $300/month with 10 seats and SOC 2 reports. Custom enterprise plans offer dedicated SLAs and HIPAA compliance.Review →

Auth0

88/100freemiumexplicit relation

Enterprise-grade customer identity and access management (CIAM) platform by Okta providing universal authentication, passkeys, multi-tenant B2B SSO, and fine-grained authorization.

Freemium model based on Monthly Active Users (MAU). The Free plan supports up to 25,000 MAUs with 1 custom domain, passkeys, and 1 enterprise connection. Paid self-service plans include Essentials ($35/month for 500 MAUs with RBAC and Pro MFA, plus ~$0.07/extra MAU) and Professional ($240/month for advanced security and enterprise MFA). Enterprise plans offer custom annual pricing with unlimited SAML/SSO connections, 99.99% SLA, and dedicated 24/7 support.Review →

Lucia

open sourcefreeexplicit relation

Lucia is a lightweight open-source auth library for TypeScript providing session management primitives without abstracting the database layer. Gives developers core building blocks — session creation, validation, invalidation — while they own the schema and auth logic. Supports any database through a simple adapter. Works with Next.js, SvelteKit, Astro, Express, and Hono. For developers wanting full control over auth implementation with minimal overhead and zero vendor lock-in.

100% free and open-source TypeScript authentication library and educational resource under the MIT/0BSD license ($0/mo). Provides lightweight session management patterns, zero-dependency cryptographic utilities (Oslo), database session storage recipes, and OAuth 2.0/OIDC guides without subscription fees, usage caps, or proprietary cloud lock-in.

Better Auth

open sourcefreeexplicit relation

Better Auth is an open-source TypeScript-native auth library with 10K+ GitHub stars providing a comprehensive, framework-agnostic solution. Features email/password, social OAuth, magic links, passkeys, 2FA, session management, and organization support. Works with Next.js, Nuxt, SvelteKit, Astro, and any Node.js framework. Database adapters for PostgreSQL, MySQL, SQLite, MongoDB, Drizzle, and Prisma. Zero vendor lock-in alternative to Clerk and Auth0.

100% free and open-source TypeScript authentication framework under the MIT license ($0/mo self-hosted). Includes full plugin suite (Passkeys/WebAuthn, TOTP 2FA, B2B Organizations, SAML SSO, SCIM, multi-session, and 50+ OAuth providers) across Next.js, SvelteKit, Astro, and Hono with Drizzle, Prisma, and Kysely adapters. Optional managed cloud infrastructure available (Starter $0/mo, Pro ~$20/mo) for hosted dashboards and managed delivery.

Open-source ZITADEL alternatives

Lucia, Better Auth — see all open-source developer tools.

Free ZITADEL alternatives

Clerk, Auth0, Lucia, Better Auth offer a free plan or free tier.

More Authentication & Identity tools

same category, not editor-selected alternatives — see how ZITADEL compares →

CiliumCilium is a CNCF Graduated, Apache-2.0 project for Kubernetes networking, security, and observability using eBPF. It can replace kube-proxy, enforce identity-aware L3-L7 network policies, and add Hubble flow observability plus Tetragon runtime-security signals. Current source checks support GKE Dataplane V2 using Cilium/eBPF and Azure CNI Powered by Cilium for AKS.OrbStackOrbStack is a macOS application that replaces Docker Desktop with lightweight container and Linux VM management. Its docs emphasize fast starts, lower CPU and memory overhead, and native macOS integration with menu bar controls, file sharing, and network access to containers by name, with exact gains depending on workload. Supports Docker, Kubernetes, and full Linux VMs.RayRay is an open-source distributed computing framework built for scaling AI and Python applications from a laptop to thousands of GPUs. It provides libraries for distributed training, hyperparameter tuning, model serving, reinforcement learning, and data processing under a single unified API. Ray's public site highlights OpenAI and other enterprise users. Maintained by Anyscale with Apache-2.0 open-source licensing.ActAct is an open-source tool that runs GitHub Actions workflows locally using Docker containers that match GitHub's execution environment. It provides instant feedback on workflow changes without pushing to a repository, supports matrix builds, secret management, and artifact handling. Act can also replace Makefiles by using workflow files as task definitions, making it useful for both CI/CD development and local task automation across development teams.DockerIndustry-standard container platform for building, shipping, and running applications in isolated, reproducible environments. Package apps with all dependencies into portable containers using Dockerfiles and images. Docker Compose orchestrates multi-container applications. Docker Hub hosts millions of pre-built images. Docker Desktop provides GUI management on Mac/Windows. Essential for local development, CI/CD, and production deployments. The foundation of modern containerized infrastructure.ModalModal is a serverless compute platform that lets developers run AI workloads on GPUs with a Python-first SDK. Functions deploy with decorators, auto-scale from zero to thousands of containers, and bill per second. It supports LLM inference, fine-tuning, batch jobs, and sandboxes, with current GPU options including B200, H200, H100, A100, L40S, A10, L4, and T4. Modal’s 2026 Series C valued the company at $4.65B.PangolinIdentity-based remote access platform built on WireGuard that combines reverse proxy and VPN capabilities. Pangolin supports clientless browser access for web apps and client-based private-resource access across macOS, iOS, Windows, Linux, and Android, with zero-trust rules, peer-to-peer tunnels, automatic SSL, SSO/OIDC options, and cloud or self-hosted deployment.ArgoCDArgo CD is the most popular GitOps continuous delivery tool for Kubernetes. It continuously monitors Git repositories and automatically syncs application state to match the desired configuration. A CNCF graduated project used by thousands of organizations for deploying to Kubernetes clusters.BlacksmithBlacksmith is a drop-in replacement for GitHub-hosted runners that executes Actions on bare-metal gaming CPUs and source-shaped cache infrastructure. Migration requires a one-line YAML change. Features include colocated warm caches, persistent Docker layer caching on NVMe, CI observability with log search, and Firecracker microVM isolation. SOC 2 Type 2 certified, with Ubuntu x64 pricing at $0.004/min and 3,000 free minutes/month.

FAQ

Which ZITADEL alternative is listed first?

Clerk is first in the editor-selected list of 4 ZITADEL alternatives and carries an editorial review score of 90/100. The stored order is editorial; review scores do not determine membership or position.

Are there open-source ZITADEL alternatives?

Yes — Lucia, Better Auth are open source.

Are there free ZITADEL alternatives?

Yes — Clerk, Auth0, Lucia, and more offer a free plan or free tier.