Authors of Notepad++ for Mac — Andrey Letov & Don Ho

Andrey Letov

Developer of Notepad++ for Mac

Andrey Letov is a New York product leader and software engineer. Most of his career has been in financial risk: building risk management platforms at Moody's, Axiom and technology and operational risk and analytics platforms at Bank of New York. Earlier he built UX at the American Stock Exchange, developed treasury and securities systems at JPMorgan, helped with DNA sequencing pipelines at Mount Sinai, and taught Java at Polytechnic University.

Andrey started the Notepad++ for Mac project in March 2026 to close a twenty-year gap: Mac users who loved Notepad++ on Windows had never had a native equivalent. The port is written in Objective-C++ on top of Scintilla and Cocoa (the "right way" instead of a Wine wrapper), and multi-agent AI development workflows are what make a one-person project at this scale practical. He also maintains the macOS plugin ecosystem and the plugin registry that powers Plugin Admin inside the app.

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Don Ho

Creator of Notepad++ (Windows)

Don Ho is the creator and principal developer of Notepad++ and has maintained it since 2003. Over two decades Notepad++ became one of the most widely-used text editors on Windows: free, open source, and installed on millions of machines. Don has kept it fast, free, and actively maintained the entire time.

The macOS port builds directly on Don's work and the upstream Notepad++ codebase. The editing core, the Scintilla integration, and the plugin interface all come from him. Don isn't involved in the Mac port, and the Mac port is independent of the upstream project, but it only exists because of the foundation he built.

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Plugin Upstream Authors

The macOS plugin catalog builds on the work of twelve individual plugin authors whose upstream source made each port possible. The Mac versions are compiled as native dylibs against the NppPluginInterfaceMac.h header, but the algorithms, features, and — in most cases — the bulk of the code come from these people. Credit and thanks to:

Pavel Nedev — ComparePlus
Mike Tzou (Chocobo1) — Auto Detect Indention
Justin Dailey — DoxyIt
Christian Grasser — NppExport
Helder Sepulveda — NppFavorites
Ben Bluemel, Frank Fesevur — Indent By Fold
Jakub Dvorak — Selection to Clipboard
Rajendra Singh — URL Encode/Decode
Leonard Chai — Folding Line Hider
Query Kuma — Reverse Lines
jejemorg — Open Host file
Don HO — Pork to Sausage

Each plugin is free and open source under GPL v3. Browse the full catalog on the plugins page, or install them inside Notepad++ for Mac via Plugins → Plugins Admin.

Contact

For support requests and bug reports related to Notepad++ for Mac, please use the project issue tracker on GitHub. For bugs on this website specifically, use the website repository issue tracker.

For questions about the original Notepad++ (Windows), please visit the Notepad++ Community Forum. For everything macOS-specific — bug reports, feature requests, plugin port requests, or contributor questions — the notepad-plus-plus-mac GitHub organisation is the right place to start. Contributions are welcome: fork, port, or fix, then open a pull request. See the about page for project background and the plugins page for how to contribute a new plugin port.