KDevelop is a free and open-source integrated development environment (IDE) for Unix-like computer operating systems and Microsoft Windows.
License: Open Source
Eclipse is a versatile IDE with extensive plugin support, making it suitable for various programming languages, while KDevelop is a lightweight IDE focused primarily on C/C++ development with a simpler interface. Both have their strengths, but Eclipse tends to be more comprehensive, whereas KDevelop offers a faster, more streamlined experience.