backend · library
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2 production projects and 0 rule sets built with tRPC.
Production projects
- Scheduling SaaS Classic Cal.com Splitting the tRPC-based web app from an independently versioned NestJS Platform API lets Cal.com serve both its own product and third-party developers from one monorepo, while Turborepo and per-integration app-store packages keep dozens of calendar/payment providers buildable and testable in isolation.
- E-signature SaaS AI-agent Documenso Signing logic is isolated in its own package with a swappable transport (local certificate or Google Cloud KMS) so self-hosters can choose key custody, while Prisma and a generated Kysely client cover both everyday CRUD and the raw SQL that document/signature queries need.
Often used with tRPC
Questions about tRPC
How many production projects use tRPC?
2 verified production projects in the STACK IT FAST directory use tRPC, each with a full architecture breakdown.
What is tRPC most often used with?
Across projects in the directory, tRPC is most commonly paired with TypeScript, React, PostgreSQL.