Upstash is serverless Redis, vector search and message queues with HTTP APIs.. The tools below share its categories (APIs, Databases). Most are still pre-launch, so you are comparing direction and early access rather than finished feature lists.
Clerk
LaunchedAuthentication and user management with prebuilt components for React and Next.js.
Convex
LaunchedA reactive backend where queries, mutations and schemas are written in TypeScript.
Inngest
LaunchedDurable workflows and background functions triggered by events, written in your own codebase.
Kedge
LaunchedA cloud platform that deploys websites, apps and databases to a public HTTPS URL over SSH or Git.
Neon
LaunchedServerless Postgres that scales to zero, with instant database branching.
Prisma
LaunchedA TypeScript ORM with a declarative schema, migrations and a type-safe query client.
Resend
LaunchedAn email API for developers, with React Email templates and deliverability tooling.
Sanity
LaunchedA content platform with a real-time content backend and an open-source, customisable studio.
Stripe
LaunchedPayments infrastructure and APIs for charging cards, running subscriptions and moving money online.
Supabase
LaunchedAn open-source backend built on Postgres: database, auth, storage, realtime and edge functions.
Turso
LaunchedSQLite for production: a distributed database built on libSQL with embedded replicas.
Typebase
LaunchedA backend in one folder of TypeScript: database, server functions, auth and file storage.
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