Link Case Study

LifeOS Personal Operations App

One app replacing separate todo, habit, notes, finance and vault tools, with a cross-module timeline and a today-at-a-glance view.

Side ProjectOngoing
LifeOS Personal Operations App
Modules5 in 1
AggregationSingle layer
SharingScoped

Problem

Personal data was spread across separate apps for tasks, habits, notes, money and secrets, with no single view of the day.

Solution

  • Built one aggregation layer that serves a cross-module timeline and a today-at-a-glance view.
  • Added shared workspaces where multiple users read and write scoped subsets of the same data.
  • Kept private modules isolated so sharing never exposes them.

Technical Highlights

  • Unified data model across five tools.
  • Scoped multi-user access.
  • Built end to end in TypeScript and Next.js.

Outcome

A single place to plan and review the day, with safe sharing for the parts that are meant to be shared.

TypeScriptNext.jsPostgreSQL