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For Windows & macOS · Local-first

Your project remembers itself now.

A local desktop app for Windows and macOS that turns your file changes into understandable project history. Every change, every version, explained in plain English.

Get Early Access
Runs 100% on your machine. No cloud. No account. No uploads.

Invited to the pilot?

If you received an invitation link, your access code may already be filled in.

How it works

Select a folder. Run a snapshot. See what changed, and when.

Select a folder

Choose the project folder you want ProjBox to track through time.

Run a snapshot

Capture a point-in-time record of your project whenever your files change.

See what changed

Review a clear summary of what changed since the previous snapshot.

Everything ProjBox gives you

Your project, auto-documented — locally, through time.

ProjBox snapshots list with summaries of changes.

See every snapshot at a glance

Each snapshot gives you an instant summary of what changed since the previous version.

ProjBox built-in diff viewer showing exact changes between versions.

Inspect the exact change

A built-in diff viewer shows you exactly what changed in your files.

Local AI answering a question about recent project history.

Ask your project what changed

A local AI helps you ask questions about project history in plain English.

Browsing past versions of a project preserved by ProjBox.

Keep every version

Each snapshot preserves a point-in-time copy of your project so you can go back through earlier states.