Diffbook

Diffbook

The research notebook that follows your files

Local-first daily logs, project folder watching, and AI summaries — so you always know what changed in your computational work.

Learn more
Diffbook — Daily log
+ file activity
− analysis.R · 12 lines
+ notebook.ipynb · 4 cells

Built for how research actually happens

Placeholder frames for now — real Diffbook screenshots coming soon.

Diffbook — Daily log
+ file activity
− analysis.R · 12 lines
+ notebook.ipynb · 4 cells
Cross-project overview of what you worked on today.
Diffbook — Project notebook
+ file activity
− analysis.R · 12 lines
+ notebook.ipynb · 4 cells
Notes-first entries with file activity beside each day.
Diffbook — Diff summary
+ file activity
− analysis.R · 12 lines
+ notebook.ipynb · 4 cells
Git-aware and snapshot diffs, summarized with provenance.

Everything you need to reconstruct your week

Answer “what did I do today?” with auditable file activity and notes in one place.

Project notebook
Per-project tabs, daily entries, and a calendar that jumps to days with activity.
Folder watching
Watch local or remote SSH/SFTP folders for R, Python, notebooks, and scripts.
Git & snapshot diffs
Git-aware diffs when you have a repo; hash snapshots when you don’t.
AI summaries
Structured project and daily summaries via Ollama, OpenAI, or Anthropic — with evidence.
Rich notes
Formatted notes with images, PDFs, and attachments — pasted or dropped in.
Offline SQLite
Everything stays on your machine. API keys live in the macOS keychain.

Placeholder pricing

Simple for individuals

Diffbook is in early preview. These tiers are illustrative — join the waitlist for access details.

Preview

Free

Local-first desktop preview for early testers.
  • ✓Full notebook & folder watching
  • ✓Bring your own AI keys or Ollama
  • ✓macOS preview builds
Pro

Coming soon

Illustrative — pricing not finalized.
  • ✓Priority support
  • ✓Team-friendly workflows
  • ✓Additional platforms

Get early access

Join the Diffbook waitlist. We'll email you when preview builds are ready — no spam, no mailing list forever.

No spam. We'll only email about Diffbook access.

Frequently asked questions