MonoDevelop (also known as Xamarin Studio) is an open source integrated development environment for Linux, macOS,MonoDevelop on Mac OS X. Developed by Novell
License: Open Source
Ultimate++ is a lightweight C++ framework that excels in performance and customization, making it suitable for C++ development, while MonoDevelop is a feature-rich IDE designed mainly for C# and game development with Unity. Ultimate++ has a steeper learning curve but offers powerful tools for C++ developers, while MonoDevelop provides a more user-friendly experience for multi-language support.