Orwell Dev-C++ is not available for Linux but there are plenty of alternatives that runs on Linux with similar functionality. The best Linux alternative is Visual Studio Code, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to Orwell Dev-C++ and 17 are available for Linux so hopefully you can find a suitable replacement. Other interesting Linux alternatives to Orwell Dev-C++ are Vim (Free, Open Source), Eclipse (Free, Open Source), VSCodium (Free, Open Source) and Geany (Free, Open Source).
VS Code is more than just a code editor, it provides the tools and extensions to compile, debug, compare, refactor, and even manage code repositories all within a highly-customised development environment.
Code::Blocks is a free C++ IDE built to meet the most demanding needs of its users. It is designed to be very extensible and fully configurable. An IDE with all the features a developer need, having a consistent look, feel and operation across platforms.
Code::Blocks vs Orwell Dev-C++ opinions
Most users think Code::Blocks is a great alternative to Orwell Dev-C++.
CudaText is a cross-platform text editor, written in Lazarus. It starts quite fast (0.5 sec with ~30 plugins on CPU Intel Core i3 3Hz). It is extensible by Python add-ons (plugins, linters, code tree parsers, external tools).