Code::Blocks is an open-source, cross-platform Integrated Development Environment (IDE) designed for C, C++, and Fortran programming languages. It supports multiple compilers including GCC, Clang, and MSVC. Code::Blocks provides a user-friendly interface with features like syntax highlighting, code folding, and auto-completion, making it easier to write and debug code. It also offers advanced features such as project management, debugging, and plugin support for enhanced functionality.