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Hammer
A simple tool for building stories and worlds they live in.
A free, open source story editor for novelists. Scenes you can reorder, an encyclopedia that shows you which scenes your characters are in, a timeline, notes, and stats to help you reach your writing goals. All as plain text files on your own device. Send scenes to your editor for revisions, or share your story with beta readers. Works fully offline on every device you own: Windows, macOS, Linux, Android and iOS. Use a sync server to keep your work up to date across all devices.
In 2020 I was living in a van, writing in places with no signal. I was using a free writing
app that claimed to work offline. After about a week off-grid it stopped working. When I got
back to civilization it started working again, but my manuscript was gone. I browsed the
app's community forum and found a lot of other authors asking the same question I was: where
did my manuscript go?
Hammer is what I built instead, and it follows three rules:
1) Offline first: it must work offline, forever. Sync between your devices if you want it,
but nothing waits on a server and nothing breaks because a service is down.
2) Transparent Data: I should be able to browse and understand the data without needing this
program or a computer science degree.
3) Never. Lose. Data. It should be paranoid about user data loss. Designed from the ground up
to ensure it could never happen.
On top of that it's a real writing tool, not just a text box. It has the tools I think
aspiring and independent writers need to craft their projects:
- Write your story as a series of scenes, as small or as large as you like, and drag them
into a new order whenever the book needs it. Keep notes and draft revisions alongside them.
- Plan your story out by giving your scenes outlines, and then reading your story in outline
form.
- Build your world out in the Encyclopedia. Create entries for Characters, Locations, Events
and more, and Hammer will automatically find what scenes they are referenced in.
- Hammer can track your writing activity, helping keep you motivated and keep the pace up so
you actually finish projects.
- When you're ready, send your scenes to an editor. Whoever that may be, an editor, or maybe
just a friend, relative, or friendly stranger on the internet. They can mark it up with edit
suggestions from a simple web interface.
- When it's time to get your project out to beta readers, you can export to many popular
formats, such as EPUB, PDF, DOCX or RTF, or you can share on the web, publicly or privately.
The clients are genuinely native on Windows, macOS, Linux, Android and iOS. Kotlin and Compose
Multiplatform, one codebase, not a website in a box.
Privacy is particularly important to me, so the app has no telemetry and no license check
phoning home. A thousand little decisions made over the past four years of crafting this code
base to respect privacy.
The app is MIT licensed and completely free, with no paid tier. Sync is optional: self-host
the server yourself or support the project on Patreon and use ours. If this project vanished
tomorrow, the copy on your machine would carry on working exactly as it does today, and your
book is already in a format every text editor on earth can open.
I've been an open source developer for more than 20 years. I think it's an important good in
the world. It helps those who can't pay for the software they need right now. And it provides
a check against the surveillance capitalism that is eating the world. If you can't read the
code, you can't trust the code these days.
I'd love to hear what you think, especially from anyone who has lost a draft before.
Plain text storage is a huge plus for me since I’ve lost work to proprietary formats before. The encyclopedia view showing which characters appear in each scene is genuinely useful, way better than my messy spreadsheet approach.
I have tested the Hammer application for Windows in Windows 11 and it is blocked by Windows security when accessing %userprofile%\Documents\HammerProjects\.ideas . I have granted permissions to the folder and the application opened and sugested to update from v3.7.0 to v3.7.2 I have closed the update as it was from git and I have used Microsoft Store to manage the install.
The demo Alice in Wonderland Dashboard is impressive with Inhabitants and Themes.
STRY editing and Save worked as expected for simple test and lists.
At Encyclopedia I tried to add an item but missing title, submitting was generating a wrong notification mentioning that tag is too short instead of title missing as expected. After adding a title the Encyclopedia document was saved correctly.
I have also tried to delete the Demo Project Alice in Wonderland but delete is not working even after renaming the project.
I hope this feedback will be util and feel free to contact me for more details about testing.
About Hammer on Product Hunt
“A simple tool for building stories and worlds they live in.”
Hammer was submitted on Product Hunt and earned 6 upvotes and 5 comments, placing #70 on the daily leaderboard. A free, open source story editor for novelists. Scenes you can reorder, an encyclopedia that shows you which scenes your characters are in, a timeline, notes, and stats to help you reach your writing goals. All as plain text files on your own device. Send scenes to your editor for revisions, or share your story with beta readers. Works fully offline on every device you own: Windows, macOS, Linux, Android and iOS. Use a sync server to keep your work up to date across all devices.
Hammer was featured in Android (57.4k followers), Productivity (658.2k followers), Open Source (68.7k followers), Writing (59.3k followers) and GitHub (41.4k followers) on Product Hunt. Together, these topics include over 250.8k products, making this a competitive space to launch in.
Who hunted Hammer?
Hammer was hunted by Adam Brown. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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