Write your novel.
Own your words.

Plan chapters, write scenes with AI, review every edit inline, and unlock Pro prompts and immersive themes — with your data on your machine.

Local-first AI Inline diff review Gift themes & packs
Second Quill writing workspace with Writer's Desk theme

Version 0.9.0 · Windows 10+

“The inline diff review changed how I trust AI edits — I accept or reject every change before it hits my manuscript.”

— Beta tester, fantasy novelist

“Finally a writing app that keeps everything local. Ollama on my PC, my chapters never leave the machine unless I choose.”

— Beta tester, sci-fi writer

“Theme packs make long sessions feel immersive. Storm Gothic at night, Writer's Desk in the morning.”

— Beta tester, thriller author

Immersive themes

Swap the whole workspace — sidebars, editor paper, and AI panel. Same catalog inside the app and on the web store.

Click a preview to see it full size.

Browse all themes & bundles →

What you get

Everything a serious novelist needs — planning, drafting, review, and optional Pro upgrades.

Plan & Write

Outlines, beats, and prose with scoped AI — batch runs, inline diff review, and pending-edit refine passes.

Second Quill editor with parchment styling

Local-first AI

Ollama on your PC, or bring your own OpenAI / Gemini / Anthropic keys. Context controls keep prompts within budget.

Second Quill with Storm Gothic theme and AI panel

Pro Store

Prompt packs, themes, capacity upgrades, and bundles — buy for yourself or gift to another writer.

Second Quill Pro store with Cyber Tech theme

Get started in three steps

No terminal commands on this page — just download, install, and write.

1

Download

Grab the Windows installer for Second Quill.

2

Install

Run the installer and sign in with Google or email.

3

Start writing

Open a project, pick a theme, and draft your first scene.

Need technical setup details? See Documentation for Ollama, API keys, and offline use.

Accounts & offline use

Sign in once on the web or in the app with the same account. Purchased features download to your device and stay available offline for up to 3 days after your last sign-in.

Each account supports up to 3 devices by default. Entitlements are tied to your login — they cannot be copied by moving the app folder to another machine. See Terms of Use for details.