Notepad4 and matepath

Notepad4 (Notepad2⨯2, Notepad2++) is a light-weight Scintilla based text editor for Windows with syntax highlighting, code folding, auto-completion and API list for many programming languages and documents, it's based on (rewritten in modern C++) Florian's Notepad2 and XhmikosR's Notepad2-mod. matepath is a file browser plugin and based on (rewritten in modern C++) Florian's metapath.

Binaries

Latest development builds (artifacts in Release configuration for each compiler and platform) are available on GitHub Actions and AppVeyor. Or you can build from source, see Wiki.

GitHub Actions (MSVC, Clang, GCC)	AppVeyor (MSVC, Clang)

Screenshots

Changes compared to Notepad2 or Notepad2-mod:

Support for bookmarks
Option to mark all occurrences of a word or selection, and show matched count
Enhanced auto-completion for words and functions
Context-based auto-completion for some words
Enhanced auto indentation
Auto completion for braces, brackets and quotes
Color preview via CallTip and click CallTip to open color dialog
Support Base64 encoding and decoding
Syntax highlighting, code folding and API list for (see built-in file extension list):
- Plain Text
- ABAQUS
- ActionScript for ActionScript 3 and 4.
- Android Smali, Screenshots
  - javap
  - Jasmin
- ANSI Art
- ANSYS Parametric Design Language
- Assembler, Screenshots
  - MASM
  - GNU Assembler
  - NASM
- Asymptote Vector Graphics Language, up to Asymptote 2.70.
- AutoHotkey_L and AutoHotkey_H Script, up to v2.
- AutoIt3 Script, up to 3.3.16.
- AviSynth Script, up to AviSynth 2.6, AviSynth+ 3.6, GScript 1.1.
- AWK, up to GNU AWK 5.3.
- Batch Script, Screenshots
- blockdiag, seqdiag, actdiag and nwdiag
- C#, up to C# 12.0. Screenshots
  - Vala 0.54
- C/C++, Screenshots
  - Objective-C/C++, Screenshots
  - C Standard Library, up to C2x.
  - C++ STL, up to C++20.
- Cangjie (仓颉), up to June 2024.
- CSS Style Sheet, up to September 2024.
  - SCSS Style Sheet, up to Dart Sass 1.50.
  - Less Style Sheet, up to Less 4.1.
  - HSS Style Sheet
- CMake, up to CMake 3.29. Screenshots
- CoffeeScript, CoffeeScript 2.7.
- Common Intermediate Language
- Configuration / Properties File
  - Apache Configuration File
- CSV File
- D, up to D language 2.0.
- Dart, up to Dart 3.4.
- Diff/Patch File
- F#, up to F# 8.0.
- Fortran, up to Fortran 2023.
- GN Build, up to GN 2019-03-13.
- Go, up to Go 1.21.
  - Go+ (GoPlus) and the Q language
- Gradle, up to Gradle 8.3, Screenshots
- GraphViz Dot, up to GraphViz 2.49, Screenshots
- Groovy, up to Groovy 5.0.
- Haskell, up to GHC 9.6.
- Haxe, up to Haxe 4.3.
- HTML, up to WHATWG September 2024. Screenshots
  - ASP
  - ASP.NET
  - JSP
  - PHP
- INI Configuration File
- Inno Setup, up to Inno Setup 6.2.
- Boost Jam, up to Jam 4.4.
- Java, up to Java 22. Screenshots
  - BeanShell
- JavaScript, up to ECMAScript 2024 with JSX and Web APIs.
- JSON and JSON5 Document
- Julia Script, up to Julia 1.9. Screenshots
- Kotlin, up to Kotlin 2.0.
- LaTeX
- Lisp Script (Common Lisp, Clojure, Scheme, etc.)
- LLVM IR, up to LLVM 16.
- Lua Script, up to Lua 5.4.
- Makefile, Screenshots
  - nmake
  - gmake
  - Borland bmake
  - qmake
  - ninja
- Markdown, up to CommonMark 0.31, with following extensions:
  - GitHub Flavored Markdown
  - GitLab Flavored Markdown
  - Pandoc’s Markdown
- Mathematica and WolframScript
- MATLAB, Screenshots
  - Octave
  - Scilab
  - Gnuplot
- Nim Script, up to Nim 2.0.
- Nullsoft Scriptable Install System, up to NSIS 3.09.
- OCaml, up to OCaml 5.0.
- Pascal, Delphi
- Perl, up to Perl 5.36. Screenshots
- PowerShell, up to PowerShell 7.2.
- Python, up to Python 3.12. Screenshots
- PHP Script, up to PHP 8.3. Screenshots
- Windows Rescouce Script
- R, up to R 4.2.
- REBOL 3 and Red
- Ruby, up to Ruby 3.3. Screenshots
- Rust, up to Rust 1.38. Screenshots
- SAS, up to SAS Viya 2024.06.
- Scala, up to Scala 3.2.
- Shell Script
  - Bash likes (sh, bash, dash, ash, zsh, ksh), up to Bash 5.2. Screenshots
  - C Shell (csh, tcsh), up to tcsh 6.24.
  - M4 Macro and Autoconf
- SQL Query
  - SQL Standard, up to SQL:2016.
  - MySQL, up to MySQL 8.0, MariaDB 10.9.
  - SQLite3, up to 3.44.
  - PostgreSQL, PostgreSQL 14.
  - Transact-SQL, SQL Server 2019.
  - Oracle, Oracle 20, incomplete.
- Swift, up to Swift 5.10.
- TCL, Screenshots
- Texinfo, up to Texinfo 7.1.
- TOML File
- TypeScript, up to TypeScript 5.4.
- Visual Basic, VB6, VB.NET
- VBScript
- VHDL, up to VHDL 2019.
- Verilog HDL, up to Verilog 2005 and SystemVerilog 2017.
- Vim Script
- WebAssembly, up to wabt 1.0.
- WinHex Script and template, up to WinHex 20.9.
- XML Document, Screenshots
  - XML Schema
  - XML Stylesheet
  - SGML and DTD
  - Apple Property List
- YAML Document
- Zig, up to Zig 0.13.
- Many Others
Toggle fold for specific level, shortcuts: Alt+Number
Toggle fold for current block without scrolling back to the block start line, shortcut: Alt+C, or context menu "Toggle Fold"
Improved support for Chinese, Japanese and Korean: inline mode IME, word wrapping, word selection, case conversions, etc.
Insert new GUID and current timestamps
Number conversion between decimal, hexadecimal, octal and binary
Display caret location and length of selected text in count of characters
Improved regex support with Boost regex library
Improved support for NFO ANSI art
Support various Windows system integration
Support high DPI display with HD version
Support rendering using Direct2D DirectWrite, and switch between GDI and Direct2D
Support font ligature with font like FiraCode in Direct2D mode
Support color font (Windows 8.1 and above) in Direct2D mode, useful to display color Emoji 😊 and others
Experimental support for RTL layout (GDI) and bidirectional (Direct2D), useful for Arabic and Hebrew
Support using fractional font size
Support full screen mode
Support compress & pretty for CSS, JavaScript, JSON and JSON5
Support copy as RTF
Support text transliteration
Support drag and drop file from Visual Studio, Android Studio, IntelliJ IDEA, etc.
Other various major or minor changes and tweaks

Supported Operating Systems:

Windows XP, Vista, 7, 8, 8.1, 10 and 11, both 32-bit and 64-bit
Windows Server 2003, 2008, 2012, 2016, 2019 and 2022, both 32-bit and 64-bit
Windows 10 on ARM64, Windows 8/8.1 on ARM32 (Windows RT)
Unix-like Operating Systems (Linux, macOS, BSD, etc.) using Wine
ReactOS

Contributors:

XhmikosR
Kai Liu
RL Vision
Aleksandar Lekov
Bruno Barbieri
Homam
Everyone else on GitHub and on Notepad2-mod's Contributor List