Problem
I wanted to ask what happens if I change jobs, pay off the mortgage, or invest more three years from now without rebuilding a spreadsheet for every alternative.
03 / Web / Local-first
Change one decision. See where it leads.
A local-first financial model for exploring how decisions made today change the years that follow.
Local-first
Scenario branches
JSON export
See it in action
A complete savings path, visible in one calm workspace.
What it does
Alternative futures without duplicate spreadsheets.
Engineering
Accounts, recurring cash flows, and time-based events form a common baseline. Alternatives branch from it, changing one assumption without duplicating or mutating the underlying plan.
Local-first
Plans autosave in the browser, can be downloaded as
.forkline.json files, and do not require a backend account.
Explore