Synapse: Offline Note Taking

Synapse is a distraction-free, privacy-first markdown editor and brain-mapping tool designed to help you organize your thoughts, notes, and ideas completely offline. Whether you are drafting a project, studying for exams, or building a personal knowledge base, Synapse visually connects your notes together in a fluid, interactive web.

WRITE IN RICH MARKDOWN

Write effortlessly with an elegant Markdown editor.

Use a built-in formatting toolbar for H1, H2, H3 headings, bold, italics, bullet lists, and interactive checklists.

Toggle instantly between the raw editor and a beautiful, high-fidelity real-time preview tab.

BUILD YOUR KNOWLEDGE GRAPH

Connect notes together seamlessly using intuitive internal wiki-links.

Explore your ideas visually using an interactive "Brain Map" Graph View.

Pan, zoom, and navigate your cognitive web to find unexpected relationships between your thoughts.

100% OFFLINE & PRIVACY-FIRST

All your notes, data, and structures are saved strictly on your device.

Zero cloud servers, zero tracking, and zero telemetry. Your data never leaves your control.

Built-in Data Management: Export your entire vault as a raw JSON file or import it back anytime.

Wipe your vault completely with a single action, leaving no hidden traces.

A CLEAN, MINIMALIST CANVAS

Fully adaptive light and dark modes matching your system's design.

Clutter-free writing environment to help you focus on your thoughts.