Tern Markdown Editor download

Tern is a free, open-source Markdown editor for Windows. Write in Source, Split or Reading mode, organize local notes in workspaces, and navigate with an outline, backlinks and full-text search.

Preview tables, task lists, code, images, supported math and Mermaid diagrams. Export to PDF, self-contained HTML or plain text. Document recovery, local saved-text history, and encoding and line-ending preservation help protect your work.

Optional AI connections and manual MCP tools use services you configure. Remote images and network features can contact external services; see the documentation for privacy details.

The Windows x64 ZIP includes its .NET runtime. Extract the complete archive and run Tern.exe. Tern is MIT-licensed; bundled dependencies retain their own licenses.

The current release is unsigned, so Windows may show an Unknown publisher or SmartScreen warning.

Features

Source, Split and Reading modes with live Markdown preview

Project Samples

Markdown editing with split live preview

Project Activity

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License

MIT License

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Additional Project Details

Operating Systems

Windows

Languages

English

Intended Audience

End Users/Desktop

User Interface

.NET/Mono

Programming Language

Database Environment

SQLite

Related Categories

C# Markdown Editors

Registered

2026-10-31

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