The writing step is concerned with writing the contract source code in Solidity. This can be done in any text editor. There are various plugins and add-ons available for Vim in Linux, Atom, and other editors that provide syntax highlighting and formatting for Solidity source code.
Visual studio code has become quite popular and is used commonly for Solidity development. There is a Solidity plugin available that allows syntax highlighting, formatting, and intelligence. It can be installed via Extensions option in Visual Studio Code.
Visual studio code
