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.

Download for Windows Visit Store Buy Pro
Local-first AI Inline diff review Gift themes & packs

Requires Windows 10+, Python 3.10+, and Ollama (optional cloud AI).

Immersive themes

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

Browse all themes & bundles →

What you get

Plan & Write

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

Local-first AI

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

Pro Store

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

Quick start

  1. Download and unzip SecondQuill-*.zip
  2. Run Start Second Quill.bat (installs Python deps on first run)
  3. Install Ollama for local models, or add API keys in Settings
  4. Paste your license key under Settings → Account & license, or buy from the web store