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Clerk alternatives

The Clerk alternatives ZeroCrew Operators use most are Cloudflare, Twilio, and Convex. Every tool here is in Backend and hosting on ZeroCrew, ranked by how many Operators use it.

Free planMCPAgents
Cloudflare by CloudflareDNS, security, and hosting for websites and agents.AppFree planMCP550k searches/mo
Twilio by TwilioPhone numbers, calls and SMS for your agentsAgent infrastructure135k searches/mo
Convex by ConvexA reactive TypeScript backend with database, functions, and realtime sync for apps and agents.AppMCPOpen source1.3k searches/mo
Vercel by VercelHosting and deployment for websites and web apps.AppMCP201k searches/mo ↑ 82%
Supabase by SupabaseA Postgres database with auth, storage, and APIs.AppMCPOpen sourceY Combinator S20165k searches/mo ↑ 82%
Resend by ResendThe email API for developers: product email and marketing broadcasts from one account.AppMCPY Combinator W235.4k searches/mo ↑ 175%
Sentry by SentryError and performance monitoring that tells you what broke.AppMCP590 searches/mo