Private founder diary
Write private notes about the build, including wins, bugs, doubts, and other behind-the-scenes moments.
BuildBook
BuildBook is a web app for founders and solo builders to keep a private build diary and turn selected moments into public posts. It also supports voice-based drafting and a Ghibli-style image feature for build updates.
Overview
BuildBook is a founder diary for logging the day-to-day reality of building a product in private, then turning those notes into public posts. The home page frames it as a way to share raw, unfiltered behind-the-scenes moments instead of only polished launch updates.
The product centers on a timeline of short entries that can include text, mood, and media, plus a draft flow for shaping those moments into posts for platforms like LinkedIn, X, and Reddit. It also includes a separate Ghibli-style image generation feature tied to build moments.
Core features
Timed timeline entries
Add a mood, a screenshot, or other media to a note, then save it with the date and time on your timeline.
Diary to post conversion
Turn diary moments into public posts that sound honest and specific rather than polished marketing copy.
Voice and style selection
Choose a target voice such as LinkedIn, X, or Reddit, or describe a custom voice before drafting content.
Ghibli-style moment art
Generate Ghibli-style art from a build moment and apply a BuildBook watermark.
Where BuildBook fits
Daily founder logging
Use the diary when you want to capture a build update, bug, doubt, or small win before you forget the details.
Preparing public updates
Use the draft flow when you have a raw note and want to turn it into a cleaner post in a platform-specific voice.
Making visual build moments
Use the Ghibli feature when you want to turn a specific product moment into a whimsical image for sharing.
Chronological build history
Use the timeline when you want to keep entries organized by date and time instead of scattered across separate notes.
Pros and Cons
Pros
- Combines a private diary with public post drafting in one product.
- Supports short, low-friction entries with media and timestamps.
- Offers voice selection for different social platforms or custom styles.
- Includes a separate visual output feature for turning a moment into Ghibli-style art.
- Shows free early access on the home page, which suggests users can try it without upfront pricing details.
Cons
- The pricing page is not available in the collected sources, so pricing, limits, and tier structure are unclear.
- Integration details are limited; the source shows post-ready drafting and scheduling language, but not confirmed direct publishing destinations or full workflow coverage.
- The account flow appears to use username and password only, and the source notes that accounts have no email, so password recovery by email is not available.
FAQ
How does BuildBook turn diary notes into posts?
BuildBook is designed around a private founder diary and a later transformation step into public-facing posts. The source also shows a draft area where you can pick a voice such as LinkedIn, X, or Reddit, or describe your own style.
Is BuildBook free or paid?
The source shows free early access on the home page. The pricing page itself returns a 404, so there is no confirmed pricing structure or plan detail available from the collected pages.
What kinds of entries can I save?
The source indicates you can log a note with a mood, a screenshot, or other media, and save it with the date and time. It also shows a separate Ghibli feature for generating whimsical art from a moment.
Does BuildBook require an email address?
The sign-in page says accounts use just a username and password, with no email on the account.
Quick Facts
- Category
- Founder diary / content drafting
- Platform
- Web app
- Primary users
- Founders and solo builders
- Source domain
- buildbook-mvp.lovable.app
- Account model
- Username and password, no email on account
- Access note
- Free early access is shown on the home page
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