Private build diary
Record the wins, bugs, doubts, and day-to-day work behind a product in a private diary.
buildbook
Freemium
buildbook is a founder diary for recording the daily work of building a product and turning selected moments into behind-the-scenes posts. It supports private notes, generated artwork, and post drafts for LinkedIn, X, and Reddit.
buildbookとは？
buildbook is a private diary and content workflow for founders and makers documenting a product as it develops. Users record short notes about wins, bugs, doubts, and other behind-the-scenes moments, then save them in a dated timeline.
Selected diary moments can be turned into posts for LinkedIn, X, or Reddit. Users can choose a writing style or describe their own voice, and the site also presents options to post directly or schedule content. A separate image feature generates Ghibli-style artwork from a moment and adds a BuildBook watermark. The site currently describes the product as offering free early access.
buildbookでできること
Dated timeline entries
Save a note with a mood, optional media, and the date and time so the build history stays organized chronologically.
Platform-specific post drafts
Turn a diary moment into content prepared for LinkedIn, X, or Reddit rather than rewriting the same update for each audience.
Custom writing voice
Choose a listed style or describe your own voice so generated posts are intended to sound personal rather than generic.
Ghibli-style image generation
Generate an image based on a build moment, with a BuildBook watermark included in the result.
Posting and scheduling workflow
The site presents direct posting and scheduling as options after content is prepared, although the available material does not explain the connection or publishing mechanics.
利用シーン
“Capture daily founder progress”
Use a quick note to preserve what happened during a work session, including a small win, an unexpected bug, or a decision that might otherwise be forgotten.
“Document the messy middle”
Keep a private record of uncertainty and setbacks before deciding which moments are useful to share publicly.
“Create a build-in-public update”
Select a diary entry and turn it into a platform-oriented draft for LinkedIn, X, or Reddit when an update is ready to share.
“Add a visual to a progress story”
Generate Ghibli-style artwork from a diary moment when a build update needs an accompanying image.
よくある質問
What is buildbook used for?
It is used to keep a private diary of product-building work and turn selected entries into behind-the-scenes social posts.
Which social platforms are shown on the site?
The site shows LinkedIn, X, and Reddit as output options for prepared posts.
Can I control the writing style?
Yes. The site says users can pick a style or describe their own voice so the prepared post is intended to sound personal.
Does buildbook generate images?
Yes. Its Ghibli Magic feature generates Ghibli-style art from a diary moment and includes a BuildBook watermark.
What should I know about accounts?
The sign-in page uses a username and password and states that accounts have no email-based password reset. Users are instructed to keep their password safe.
クイック情報
- Category
- Founder diary and build-in-public content tool
- Primary workflow
- Private diary entry to social post
- Output options
- LinkedIn, X, and Reddit
- Account access
- Username and password
- Early access
- Free early access is shown on the home page
- Source domain
- buildbook-mvp.lovable.app
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