You had a brilliant idea
with AI last week.
Good luck finding it.
Ligature captures your conversations across Claude, ChatGPT, and Gemini—and distills them into a map of how you think.
Free forever · Your data stays on your device by default
87 messages. 12 key moments.
Read in 30 seconds.
Should I raise a seed round or bootstrap?
“Creativity is just connecting things.”
Steve JobsYou chat. Ligature remembers.
Captures everything
A lightweight Chrome extension watches your conversations across Claude, ChatGPT, and Gemini. You don't press anything — it just works.
Distills the essence
A local AI on your computer extracts the decisions, insights, open questions, and pivots. 87 messages become 12 key moments.
Connects the dots
Over time, Ligature finds hidden connections between conversations across platforms. Ideas on Claude link to decisions on ChatGPT.
Your thoughts are yours alone.
Ligature runs on your computer. Your conversations are processed locally by an AI that lives on your machine. Everything stays on your device by default — nothing leaves unless you choose it.
Everything in one window.
Every platform. Every thought.
Explored pros/cons, decided bootstrapping gives more control...
5-email drip campaign, day 1/3/5/7/14 timing, each with CTA...
Feature matrix, pricing, target audiences, market gaps...
Three angle options, chose the narrative about design systems...
useMemo vs useCallback, virtualized lists, bundle splitting...
Technical depth vs breadth, culture fit signals, trial projects...
“The mind is not a vessel to be filled, but a fire to be kindled.”
PlutarchSee how your ideas connect.
Across platforms. Across time.
Every conversation becomes a node. Every shared topic becomes a connection. Your Graph of Thought reveals patterns in how you think—across Claude, ChatGPT, and Gemini.
Always one shortcut away from your thoughts.
“A problem well stated is a problem half solved.”
Charles KetteringThe features you didn't know you needed.
Always one shortcut away
Press ⌘+Shift+K from anywhere. A compact popover shows your active conversation's key moments. Glance, re-orient, get back to work.
Decisions, not noise
Ligature doesn't just summarize — it understands the structure of your thinking. Decisions, insights, pivots, open questions. Each typed, tagged, and scored.
Thought branching
Changed your mind mid-conversation? Ligature detects when you edit and pivot. See what you explored before and why you changed direction.
Projects that organize themselves
Ligature groups related conversations into projects automatically. See the full arc of an idea across weeks and platforms.
Import your history
Bring your existing conversations. Drop your ChatGPT export, Claude archive, or Gemini takeout. Months of thinking, organized in minutes.
Export that goes somewhere
Send moments to Obsidian, create tasks in Linear, generate briefing docs. Your distilled thoughts go where they're useful.
Stop losing your best thinking.
Download Ligature for macOS. Free forever for core features. Your thoughts stay on your device by default.