Davut Alper Caliskan

Scheduling software for assistance providers that brings shifts, absences, staff assignments, timesheets, signatures, and plan sharing into one workflow.

Built with Next.js 16, React 19, TypeScript, Prisma, PostgreSQL, tRPC, TanStack Query, Stripe.

A web app for Personal Budget employers to organize their own assistance team, from scheduling and hour balances to documents and signed timesheets.

Built with TanStack Start, React 19, TypeScript, Cloudflare Workers, Drizzle ORM, PlanetScale Postgres, Effect, Cloudflare R2.

A local-first Gmail client with encrypted on-device search, multiple accounts, keyboard-driven workflows, and optional AI writing through existing desktop tools.

Built with Electron, React 19, TypeScript, Effect, SQLite, Drizzle ORM, Gmail API, TanStack Router.

An iPhone, iPad, and Mac app for Personal Budget recipients to schedule assistants, track hours, store documents, and export signed timesheets.

Built with Swift, SwiftUI, Core Data, CloudKit, WidgetKit, RevenueCat, StoreKit, PDFKit.

Care documentation for iPhone and iPad, with text or voice notes, recurring tasks, client-based records, and exportable handover reports.

Built with Swift, SwiftUI, SwiftData, CloudKit, Speech, Natural Language, RevenueCat, StoreKit.

An iPhone time tracker for shifts, breaks, overtime, leave, and multiple jobs, with iCloud sync and PDF or CSV timesheet exports.

Built with Swift, SwiftUI, SwiftData, CloudKit, ActivityKit, WidgetKit, Swift Charts, RevenueCat.