Espresso is a gorgeous Mac-only code editor that’s powerful and smooth, like the caffeinated beverage it’s named after. This ...

Ubuntu is a free computer system, like Windows or macOS, but it’s built by a community. It’s great for programmers because it’s very flexible and has lots of tools already built-in that help you code.

Not every programmer needs to use this tool, but if you're not interested in spending, then jEdit is a good Text Editor for computer programmers.