Top Alternatives to GNOME Builder

Notepad++ is a widely-used free and open-source text and source code editor for Windows. Built on the Scintilla editing component, it offers a rich set of features for programmers, including syntax highlighting for multiple languages, code folding, macro recording, and a tabbed interface for managing multiple files efficiently. Its lightweight design ensures fast performance even with large files.

Sublime Text is a sophisticated text editor for code, markup, and prose. It's known for its speed, powerful features, and extensive customization options. With features like multiple cursors, GoTo Anything, and a robust plugin ecosystem, it's a favorite among developers and writers alike for boosting productivity and creating a tailored editing environment.

Eclipse is a powerful, open-source Integrated Development Environment (IDE) widely used for Java development, but also supporting a variety of other programming languages through its extensive plugin ecosystem. It provides a robust set of tools for coding, debugging, testing, and deployment.

Vim is an advanced, highly configurable text editor designed for efficiency, particularly favored by developers. Operating primarily in the terminal, it offers powerful editing capabilities through keyboard commands, syntax highlighting, and extensive plugin support, making it a cornerstone tool for programming and advanced text manipulation.

Microsoft Visual Studio is a comprehensive Integrated Development Environment (IDE) designed for building a wide range of applications across various platforms. It provides a rich set of tools for coding, debugging, testing, and deploying software.

NetBeans is a free and open-source Integrated Development Environment (IDE) specifically designed for enterprise-level Java development, supporting a wide array of other languages and technologies, including PHP, C++, JavaScript, HTML, and CSS. It provides comprehensive tools for coding, debugging, testing, and deploying applications.

Atom is a highly customizable and extensible open-source text editor developed by GitHub. Built on Electron, it provides a modern, hackable platform for developers, offering robust features like syntax highlighting, Git integration, and a vast ecosystem of packages to enhance productivity and tailor the editing experience to individual needs.

gedit is a free and open-source text and code editor for the GNOME desktop environment. Known for its simplicity and clean interface, gedit provides essential features for both general text editing and basic code development, making it a popular choice for users seeking a straightforward and efficient tool.

Geany is a powerful yet lightweight text editor that bridges the gap between basic editors and full-fledged IDEs. It provides essential development environment features like syntax highlighting, code navigation, and a built-in terminal, making it suitable for a wide range of programming tasks.

Aptana Studio was a robust, open-source integrated development environment (IDE) specifically designed for web development. It provided developers with a comprehensive set of tools and features to build web applications efficiently, supporting various web technologies like HTML, CSS, JavaScript, PHP, and Python.

Brackets is a modern, open-source code editor specifically designed for web development. Built with HTML, CSS, and JavaScript, it prioritizes a streamlined workflow with its innovative features like Live Preview and inline editors, making front-end development more intuitive and efficient.

GNU Emacs is a highly extensible and customizable text editor, renowed for its powerful features and ability to serve as a complete development environment. It is based on the Emacs Lisp programming language, allowing for deep customization and a vast ecosystem of packages.

Code::Blocks is a powerful, free, open-source integrated development environment (IDE) designed for C, C++, and Fortran programming. It offers extensive features for coding, debugging, and building applications across multiple operating systems, catering to both beginners and experienced developers.

Komodo Edit is a powerful yet lightweight text editor specifically designed for dynamic programming languages. It offers a comprehensive suite of features for developers working with languages like Python, PHP, JavaScript, and Perl, providing smart editing tools, a customizable interface, and extensibility through plugins.

Visual Studio Code (VS Code) is a free, open-source, lightweight yet powerful source code editor developed by Microsoft. It supports a wide range of programming languages and offers robust features like debugging, intelligent code completion (IntelliSense), built-in Git control, and an extensive ecosystem of extensions for enhanced functionality. Available for Windows, macOS, and Linux, VS Code has become a popular choice for developers across various disciplines.

GNU nano is a user-friendly command-line text editor widely used on Unix-like systems. Known for its simplicity and quick startup, it provides basic editing functionalities for configuration files, scripts, and general text manipulation directly within the terminal environment.

TextWrangler was a widely-used, free text and code editor for macOS, renowned for its simplicity, reliability, and powerful features derived from its professional sibling, BBEdit. It offered a clean interface suitable for both basic text editing and light coding tasks.

Xcode is Apple's integrated development environment (IDE) for macOS, providing a comprehensive suite of tools for building applications for all Apple platforms, including macOS, iOS, watchOS, and tvOS. It offers powerful features like code completion, debugging tools, and a visual interface builder.

Bluefish is a powerful yet lightweight code editor designed for web developers and programmers. It offers a wide array of features for HTML, CSS, JavaScript, PHP, and many other programming languages, focusing on efficiency and ease of use for building dynamic websites and applications.

MonoDevelop, now integrated into Xamarin Studio, is a versatile open-source integrated development environment supporting multiple languages and platforms, including C#, F#, .NET, and web development with extensive debugging capabilities.

VSCodium is a community-driven, freely licensed distribution of Microsoft's VS Code editor. It removes proprietary telemetry and tracking, providing a truly open-source alternative for developers who prioritize privacy and freedom.

Qt Creator is a powerful, cross-platform Integrated Development Environment (IDE) tailored for building applications with the Qt framework. It supports C++, QML, and JavaScript, offering a comprehensive suite of tools for designing UIs, writing code, debugging, and deploying software across various platforms.

Anjuta is a versatile integrated development environment (IDE) designed for the GNOME desktop environment, offering a comprehensive suite of tools for software development.

B4X is a comprehensive suite of rapid application development IDEs designed for creating native, multi-platform applications for iOS, Android, Windows, Mac, Linux, and the web. It simplifies the development process by providing intuitive visual designers, a powerful language similar to Visual Basic, and access to native libraries without requiring complex native code.

Lime Text is a community-driven, open-source text editor designed for programmers and web developers. It provides a clean and customizable interface with rich features for efficient coding, including syntax highlighting, distraction-free mode, and extensibility through plugins.

Notepad3 is a fast, light-weight, and highly configurable text editor for Windows, designed for developers and power users. Based on the Scintilla source code editing component, it offers syntax highlighting for numerous programming languages, powerful search and replace with regular expressions, and extensive customization options, making it a robust alternative to Notepad.