Best Open Source Code Formatters 2026

Code Formatters

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Browse free open source Code Formatters and projects below. Use the toggles on the left to filter open source Code Formatters by OS, license, language, programming language, and project status.

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1

Dev-C++

A free, portable, fast and simple C/C++ IDE

A new and improved fork of Bloodshed Dev-C++

141 Reviews

Downloads: 156,744 This Week

Last Update: 2016-11-29
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2

Dev-C++ for Windows 10/8/7

A fast, portable, simple, and free C/C++ IDE

Coding Boot Camp Learning to program? Check out the free boot camp from Embarcadero which runs from Monday, August 22nd to Friday, August 26th. https://learndelphi.org/boot-camp-2022/ Embarcadero Dev-C++ is a new and improved fork (sponsored by Embarcadero) of Bloodshed Dev-C++ and Orwell Dev-C++. It is a full-featured Integrated Development Environment (IDE) and code editor for the C/C++ programming language. It uses Mingw port of GCC (GNU Compiler Collection) as its compiler. Embarcadero Dev-C++ can also be used in combination with Cygwin or any other GCC based compiler. Embarcadero Dev-C++ is built using the latest version of Embarcadero Delphi. Embarcadero Dev-C++ has a low memory footprint because it is a native Windows application and does not use Electron. Optimized for parallel compilation on modern multi-core machines. GitHub Project: https://github.com/Embarcadero/Dev-Cpp/ Sponsored by Embarcadero: https://www.embarcadero.com/free-tools/dev-cpp

24 Reviews

Downloads: 9,859 This Week

Last Update: 2021-05-19
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3

Artistic Style

A Free, Fast, and Small Automatic Formatter for C, C++, C++/CLI, Objective-C, C#, and Java Source Code. Website: http://astyle.sourceforge.net/ Git Repository: https://gitlab.com/saalen/astyle/

46 Reviews

Downloads: 1,387 This Week

Last Update: 2026-09-30
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4

UniversalIndentGUI

A cross platform GUI for several code formatter, beautifier and indenter like AStyle, GNU Indent, GreatCode, HTML Tidy, Uncrustify and many more. Main feature is a live preview to directly see how the selected formatting option affects the source code.

8 Reviews

Downloads: 14 This Week

Last Update: 2012-03-30
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