Delphi Alternatives for Linux

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.

Lazarus is a powerful, free, and open-source visual IDE for rapid application development with Free Pascal. It provides a Delphi-like experience for creating cross-platform native applications across various operating systems.

PyCharm is a powerful, cross-platform Integrated Development Environment (IDE) specifically designed for Python developers. It offers intelligent coding assistance, a wide range of developer tools, and deep integration with various development workflows, making it ideal for everything from small scripts to large-scale web applications.

CUBA.platform is a high-level open-source Java framework for rapidly building enterprise applications with rich web interfaces and extensive built-in features, significantly accelerating development cycles.

KDevelop is a powerful, free, and open-source Integrated Development Environment (IDE) designed for Unix-like systems, Windows, and macOS. It offers a robust set of features for a wide range of programming languages, including C++, Python, PHP, and more, making it a versatile tool for software developers.

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

Free Pascal Compiler (FPC) is a robust and versatile compiler for Pascal and Object Pascal, distributed under the GNU GPL. It supports numerous platforms and architectures, enabling developers to create a wide range of applications from console tools to cross-platform GUI applications.

Ultimate++ is a C++ cross-platform rapid application development framework designed to maximize programmer productivity. It includes a feature-rich IDE and a tightly integrated set of libraries, enabling efficient development of sophisticated desktop applications across multiple operating systems.

CodeTyphon is a comprehensive Pascal programming environment designed for rapid application development across multiple platforms. It extends the capabilities of Lazarus and Free Pascal, offering a rich set of tools for building native, visual, and cross-platform applications for various operating systems, including Windows, Linux, macOS, and Android.