Precision tools for modern operations teams

We design and engineer focused, reliable software for operations and engineering teams — automation you can audit, infrastructure you can trust, built to last.

Under the hood

The infrastructure behind

One system, three environments — boring, proven building blocks chosen so your books are fast, auditable, and never a black box.

  • Web

    kulanz online

    A fast, type-safe web app for the day-to-day: review entries, reconcile accounts, and keep the books in order from any browser.

    • React
    • TanStack
    • TypeScript
    • Drizzle
    • Supabase
  • Mobile

    kulanz for iOS

    A native iOS companion — snap receipts, approve entries, and check on your numbers from anywhere.

    • Swift
    • Apple
  • Backend

    The ledger engine

    Payments and bank feeds stream into an auditable Postgres ledger, processed by agent workflows close to your data.

    • Python
    • FastAPI
    • PostgreSQL
    • Plaid
    • Stripe
    • Fly