Vlad Tehlivets
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Case · 01

Productivity Tools

Productivity tools that actually help

The starting point

Daily work scatters across timers, notes, habits and trackers. Each tool asks for its own account and its own habit.


The result

Six focused tools in one place: Pomodoro Timer, Habit Tracker, Calorie Calculator, GTD Task Manager, Budget Tracker and Water Intake Tracker. Each tool is also an open demo of an enterprise software pattern.

What is inside

  • Pomodoro Timer — state machine
  • GTD Task Manager — CQRS and event sourcing
  • Budget Tracker — accounting archetype
  • Water Intake Tracker — quantity ledger