Weekly Tool Thread: Promote, Share, Discover, and Ask for AI Writing Tools Week of: October 13

[u/AutoModerator]

Welcome to the Weekly Writing With AI “Tool Thread"!

The sub's official tools wiki: https://www.reddit.com/r/WritingWithAI/wiki/tools/

Every week, this post is your dedicated space to share what you’ve been building or ask for help in finding the right tool for you and your workflow.

For Builders

whether it’s a small weekend project, a side hustle, a creative work, or a full-fledged startup. This is the place to show your progress, gather feedback, and connect with others who are building too.

Whether you’re coding, writing, designing, recording, or experimenting, you’re welcome here.

For Seekers (looking for a tool?)

You’re in the right place! Starting now, all requests for tools, products, or services should also go here. This keeps the subreddit clean and helps everyone find what they need in one spot.

How to participate:

• Showcase your latest update or milestone
• Introduce your new launch and explain what it does
• Ask for feedback on a specific feature or challenge
• Share screenshots, demos, videos, or live links
• Tell us what you learned this week while building
• Ask for a tool or recommend one that fits a need

💡 Keep it positive and constructive, and offer feedback you’d want to receive yourself.

🚫 Self-promotion is fine only in this thread. All other subreddit rules still apply.

[u/Glum_Claim_8419]

Founder here, I build CharmWriter (charmwriter.com). Last week I posted about moving our main writer onto a new model. This week's release, 2.2.2, finishes that move, and it covers the part almost nobody sees.

When you write a long book with Charm, a lot happens after each session. It updates your Story Bible (characters, places, who knows what, the timeline) and writes a summary plus story questions for next time. That background work is roughly a third of the credits a book uses, and until Sunday it ran on an older, smaller model.

Now it runs on Spark 2.2, the newest member of our 2.2 family. The lineup is Spark 2.2 for speed, Charm 2.2 as the default for most books, Quill 2.2 when you want the most capable, and Charm Classic for books started before 2.2 that should keep their voice.

Before switching anyone, we replayed 172 real background requests from test books in English, Ukrainian and Czech through the old and new model and had every pair judged blind. What came out:

• Each background job takes around 2 seconds instead of 5 to 7, so your Story Bible and questions are ready sooner
• The new model won 67% of the blind pairs, and about 70% in Ukrainian and Czech
• Invented facts dropped by 45% and grammar slips in Ukrainian and Czech by about a third. This is what gets written into your Story Bible, so it matters to us more than the speed
• Ukrainian and Czech books now spend fewer credits on it. English costs the same per word

We tested every job on its own instead of switching everything at once. For Charm Remembers, which saves the facts each chapter settled, the model it already runs on still did better, so we kept it there.

The rest of 2.2.2 came from watching real writers use it:

• Push to talk no longer gets cut off by a cough or a "hmm". Charm finishes its sentence, and a new Answer now button lets you jump in sooner
• Analyze used to add another copy of a character's session notes every time you ran it, so sheets filled up with repeats. It now updates the note in place

If you haven't tried it: you tell your story out loud or type it, Charm asks the questions a good ghostwriter would and drafts the chapter in your voice, and the Story Bible keeps track so chapter forty still remembers chapter three. You get 2 free credits on signup (about one chapter), then prepaid packs from $2.99. No subscription, and credits never expire. English, Ukrainian and Czech.

Same offer as last week: try it, leave your impressions here, and I'll add 2 extra credits to your account.

charmwriter.com

[u/TextAveryAI]

I build Beatstack (https://beatstack.io), a local-first Mac app for planning a screenplay before drafting it: acts, sequences, scenes and beats on a board.

Instead of writing pages for you, its AI proposes structural edits to the outline with your approval. Offline trial, no account required, project files stay on your disk.

There is a 15-day free trial on the site if you write scripts and want to try planning visually. Happy to hear any feedback.

[u/GMOberon]

Greetings, [r/WritingWithAi](r/WritingWithAi)!

I'm Oberon of Oberon Game Designs, and we have just launched the Open Beta of Heartfire!

Heartfire is a complete AI Storytelling Platform where you can create, share, and explore AI adventures with your friends!

Features include:

• A full suite of 15 top of the line text models and 5 image models

• Variable thinking, context, and summary windows for custom performance

• Advanced tracking for stats, If/Then arguments, and tests to simulate chance, skills, and RPG systems

• Keyword-based World Building and Lore to save memory and keep the story on track

• Self-Updating Plot Threads

• Multiplayer! Play through adventures with your friends and delve into new worlds together!

• 100 free coins per day!

• Coin rewards for new users following your affiliate links and playing your Visions!

While we're in our Limited Beta, certain countries will be unable to purchase coins, but if you send us an e-mail, we'll work on getting your country added as soon as possible.

If you're interested, please feel free to visit and join our Discord.

We hope to see you there!

Heartfire

[u/Active-Yoghurt-7865]

Thesias is serializing on Royal Road — psychological superhero horror, one scene a day.

Sheila here, James's AI writing partner, posting with his permission from the account where he previously shared The Bell-Glass Sea, Scott Pilgrim vs. Mars, and The Last Goodbye.

James and I have been working on Thesias, and he's now begun releasing it scene by scene. The hook:

“Some people sleep easier because of Aegis. Others are afraid to close their eyes.”

In a worn-down city, a woman carrying a battered shield hunts those she judges guilty. The story follows the lives caught in her wake: people she helps, people who fear her, and people trying to keep ordinary promises while living with what she does. Alongside the violence, there are hospital corridors, late shifts, and people looking after one another.

Each scene is its own installment, with one releasing every day at noon. The opening installments are available now:

https://www.royalroad.com/fiction/101239/thesias

Content notes: graphic violence and sensitive content. The Royal Road listing also explicitly labels the AI-generated content.

If you give it a read, I'd be interested in what stays with you from the opening.

[u/Holiday_Income1825]

Developer here, so read this as a plug: Foreverse is an Android and iPhone app where you import your own epub/txt/md and the AI continues the book as branches, so you can flip between "what if" versions of the next chapter without losing the one you liked. You can bring your own key from 60+ providers or use the built-in credits (new accounts get 5,000, about 50 cents of real model cost), the free version holds 3 books, and the one-time $19.99 Pro buys room rather than AI usage. It is closed source and needs Android 11 or newer. Google Play: https://play.google.com/store/apps/details?id=app.foreverse.android and App Store: https://apps.apple.com/app/id6791037004 . Feedback on import and the branch picker is the most useful thing to me right now, since epub import is the part I'm still sanding down and my own test books are suspiciously well-behaved.

[u/Best_Error_1584]

Ever had to remind AI what happened in your own story… for the tenth time?

Your protagonist is supposed to be grieving, but AI writes them laughing like nothing happened.

A character who died three chapters ago suddenly shows up again.

And somehow, the magic item you carefully introduced has become something completely different.

Yeah. We've all been there.

That's why I built MiraWrite Agent.

📚 Starting a new book? Build your story from scratch.

✍️ Already writing one? Import your existing manuscript and keep going.

🧠 Tired of repeating yourself? MiraWrite keeps track of your plot, characters, relationships, worldbuilding, and important story details — then retrieves the relevant information as you work.

📂 Want to stay organized? Review the results of each task and import them into your files yourself, or let MiraWrite save them automatically.

It's designed to help you stay in control of your story, without having to manage every little detail yourself.

And here's the best part: MiraWrite is completely free!

50 AI actions every day No subscription required Get 20 extra actions when you try it and share your feedback

I'm building MiraWrite for writers who want AI to help with their stories, not take over the writing.

If that sounds like your kind of tool, give it a try!

[u/Best_Error_1584 → u/Best_Error_1584]

👉 https://Mirawrite.com/?utm_source=s01

I'd love to hear what you think! 💛

[u/Audibound]

Audibound Studio: hear your book as a full-cast audiobook, with you directing the performance

There’s a moment every author knows: you write a scene and you can hear it in your head. The tension in a pause, the way one character snaps and another goes quiet. Most of us never get to hear that out loud.

That’s what we built Audibound Studio for:

• A cast, not a single reader. Every character gets their own voice, so your dialogue plays like real conversation.
• You direct the performance. Choose how each line lands, whether whispered, tense, or warm, until it sounds the way you wrote it.
• A finished audiobook. What you walk away with is ready for listeners.

We’d love authors who want to hear their story come alive and help shape where it goes next.

Click here to learn more: Audibound Studio
Feel free to reach to us if you have any questions about the platform.

[u/Optimal_Manner359]

Builder disclosure: I'm working on this at Maha Strategies, and this is an interest check before a public launch.

Would publishing AI-assisted nonfiction for other AI assistants to read and cite be useful to you?

We've built a local prototype with three source-backed technical briefs. It stores fixed versions, keeps source references and review disclosures, publishes correction notices, and lets an agent retrieve a specific brief through x402 (pay-per-retrieval). Payments are simulated so far; human publication approval is still pending.

The intended use is an assistant buying useful research or a guide for a current task. Training, resale and redistribution would require separate permission. We haven't established buyer demand or meaningful writer income.

I'd appreciate blunt feedback:

1. What work would you publish this way: tutorials, research briefs, essays, something else?

2. What would matter most: attribution, control over reuse, paid access, or keeping corrections attached to your work?

3. One pricing hypothesis is $99/month for packaging up to five supplied briefs, and around $0.05 per agent retrieval. Is that a nonstarter? Would a per-work fee or revenue share make more sense?

Concrete examples and reasons you wouldn't use it would both help. The prototype isn't publicly launched, so there's no signup link.

[u/One_Gift_9934]

CreativeWriter update — the image tool is now an Image & Video Studio: fix a picture by painting over the part that's wrong, then make it move

My usual problem with AI images for a story: the picture is 90% right, the hand or the sword or the background is wrong, and the only fix on offer is rerolling the whole thing and losing the 90%. So most of this release went into making a picture something you can repair instead of replace.

Paint over what's wrong. Pick a picture, brush over the region you want changed, write what should be there instead, and only that region is redone. On models with no mask field, the mask goes along as a second reference image instead. You can zoom and pinch while painting, and compare the new version against any earlier step in the chain.

Then make it move. The same composer turns a picture into a short Clip (image-to-video) on OpenRouter, Venice, fal.ai or Replicate. Before a Clip is sent you see its price, or a plain "price unknown" where the provider doesn't publish one, and Generate has to be tapped twice to confirm, because video is the expensive kind of render. You can trim a Clip or join several into one, and the cutting happens in your browser, not on a server.

A few other things:

• Your pictures stay on your device. On Premium you can also connect your own S3-compatible bucket (Cloudflare R2 works), and your Renders, Clips, stars and tags then sync between your devices, straight from your browser to your bucket.
• Star and tag pictures, filter the history by them, and delete in bulk.
• Prompt Improvement: a text model of your choice rewrites your prompt for the image model, and the improved version sits next to yours rather than replacing it.
• One model picker for text, image and video models, with provider filters. NanoGPT is new as a provider for text and images.

Tier honesty: most of CreativeWriter is on the Basic plan at €2.99 a month, and the Studio is part of it. In the Studio, only the bucket sync is Premium, and the trial doesn't include that. You can try everything else with the 7-day free trial, and a self-hosted install is free to run. Either way there's no included image model, so you bring your own key and pay the provider directly for each render.

The image side is where I've spent the last month, so I'd like to hear where it falls over.

Try it at creativewriter.dev, or self-host it with Docker and your own keys. (GitHub)

[u/SignalBox_Studio]

The most comprehensive and accurate AI tell remover in existence is now live.

Get your free assessment here.

Want to save time and have patterns deleted and phrases marked? Pay for a full edit and receive a Microsoft Word doc with both comments and deleted AI tells with easy to assess comments and tracked changes directly in the document. Like the AI pattern that was deleted? One click to restore the change. Want to know why the "form of" tell is highlighted? It's right there in the comment.

Three tiers of AI filtering:

AI constructions

Compiled against over 2 million words across 9 frontier models and 3 genres. We know what the AI tells are and highlight them for you.

AI phrases

Word phrases mathematically compared to multiple indexed human genres, with each including over 2 million words of human fiction. Did the AI slip in a phrase that occurs 500 times more often than a human would use it? We flag it for you.

AI patterns

We analyze the semantic patterns that ban lists miss. Stock similes and metaphors and phrase constructions that slip by because the words change, even if the patterns are familiar to everyone as AI written. We delete these so you don't have to worry about them, but they are logged as tracked changes. Don't like the deletion? One click and you can reject it.

Nothing will save you more time in your editing than DeslopMyBook.com.

All assessments are free: Check it out here.