SharpDevelop (#develop) is a free and open source integrated development environment (IDE) for the .NET Framework, Mono, Gtk#, Glade# platforms. Developed by IC#Code
License: Open Source
SharpDevelop is a lightweight, open-source IDE primarily focused on .NET development, while B4X provides a more comprehensive environment for cross-platform mobile application development. B4X's visual designer and rich library support make it more suitable for mobile app projects, whereas SharpDevelop is tailored for desktop applications.