A serious alternative is neovim together with lsp plugins. You can set up a preconfigured neovim such as lunarvim and after learning a few shortcuts you are 90%

A serious alternative is neovim together with lsp plugins. You can set up a preconfigured neovim such as lunarvim and after learning a few shortcuts you are 90% the way what Clion offers. It isn't totally easy to get into it but at least for coding it is very productive. Debugging is another story I haven't really touched until now.