In a digital ecosystem increasingly dominated by monthly software subscriptions, data mining, and mandatory cloud logins, keeping your creative work private has become a continuous struggle. Here at ZK Publishing, we believe that your manuscripts, worldbuilding notes, and character relationship maps should remain strictly local, private, and yours.
To celebrate our growing community of novelists and indie publishers, we are holding a massive flash giveaway. For the next 3 days only, we have discounted over half of our paid desktop app catalog on the Microsoft Store to exactly $0.00. This means you can download professional tools worth dozens of dollars at zero cost, with no credit cards, no trial limitations, and no subscription traps.
Included in the 3-Day Free Promotion:
- LoreSmith (normally $6.99) — The private, offline worldbuilding studio for complex lore.
- CastGraph (normally $5.99) — The ultimate character relationship canvas mapper.
- SpineReady (normally $6.99) — Professional book cover template and spine calculator.
- PDF Forge (normally $2.99) — Offline PDF compiler, compressor, and encryptor.
- RoyaltyDesk & Expense Tracker — Offline trackers to monitor book sales and business margins.
- Subtitle Sync & BlurbForge — Tools for video transcripts and promotional book blurbs.
Deep Dive: The Featured Creative Suite
If you're an author preparing a novel, an indie publisher managing several authors, or a tabletop game master organizing an epic campaign, here is how the primary free tools transform your workflow:
1. LoreSmith: Structure Your Worlds, Keep Your Ideas Secure
Fictional universes are vast and complicated. Many writers use cloud-based wikis to organize their worlds, exposing their intellectual property to terms of service changes, artificial intelligence training datasets, or server outages. LoreSmith gives you a professional, fully offline workspace to map out characters, factions, historical events, magic systems, and geographical regions.
LoreSmith saves your data locally in human-readable, secure format. You can link articles together, create custom categories, write with built-in markdown editor, and access everything instantly. If you are drafting a fantasy epic or a sci-fi series, LoreSmith is the absolute anchor your lore needs.
2. CastGraph: Visualize Character Dynamics on an Infinite Canvas
Novels thrive on character conflict. When you have dozens of interacting players, spreadsheets and text outlines fail to capture the web of alliances, animosities, family ties, and mentor-apprentice relationships. CastGraph is a dedicated relationship mapping tool built on a hardware-accelerated infinite canvas.
Create visual node cards for characters, organize them into color-coded factions, draw customized connection paths (e.g., "rival," "secret sibling," "co-conspirator"), and toggle specific act filters. Instead of scrambling to remember how two secondary characters are connected in Chapter 32, you can glance at your local relationship graph and keep writing.
3. SpineReady: Lay Out Professional Covers Instantly
When self-publishing a print paperback on Amazon KDP, IngramSpark, or Barnes & Noble, formatting the cover is a notorious technical hurdle. A single millimeter discrepancy in spine width based on your book's page count and paper type will cause your upload to be immediately rejected.
SpineReady takes the math out of layout planning. Simply enter your page count, select your paper stock and binding type, and let SpineReady instantly generate a pixel-perfect print template. It also features a built-in pre-flight cover validator, a 3D cover mockup generator for marketing, and a printing cost calculator.
4. PDF Forge: Clean, Compress, and Password-Protect Drafts
Before you send your finalized manuscript to beta readers, editors, or literary agents, uploading the PDF to an unverified web compressor is a major data risk. PDF Forge allows you to merge chapters, optimize size locally without sacrificing font clarity, and secure files with password-based encryption directly using your PC's hardware.
BookForge (our flagship writing studio) remains at its discounted price of $9.99 to help us fund core offline development, and Archivia is already completely free! By picking up LoreSmith, CastGraph, SpineReady, and PDF Forge for free, you can build a comprehensive, state-of-the-art suite that integrates perfectly alongside your writing environment.
How to Claim Your Free Apps
Claiming your free software takes less than two minutes. Follow these simple steps before the promotion ends:
- Open the Microsoft Store app on your Windows 10 or Windows 11 PC.
- Search for "ZK Publishing" or click the direct publisher catalog link below.
- Select the app you wish to install (e.g., LoreSmith or SpineReady).
- Verify that the price is listed as $0.00 (Free).
- Click "Get" or "Install".
- Repeat the process for the other applications.
Important: Once you claim the apps while they are listed at $0.00, they are bound to your Microsoft account. You own them permanently, even after the promotion ends and they return to their full retail prices.
Frequently Asked Questions
Are these apps free forever, or is it a trial?
Once downloaded, you own the full, un-watermarked versions permanently. There are no monthly fees, no feature locks, and no advertisements. The 3-day limit is only the window you have to hit "Get" on the store page.
Do these apps require an active internet connection?
Absolutely not. In line with ZK Publishing's core design system, these apps run completely on your local machine. They do not send telemetry or sync your documents to third-party databases, making them perfect for offline writing on planes, trains, or off-grid writing retreats.
Can I install them on my laptop and desktop?
Yes. As long as you log into the Microsoft Store with the same Microsoft account on both devices, you can install and use your apps on multiple Windows machines simultaneously at no additional cost.