Poly Edit Lite is described as 'PolyEdit Lite is a multipurpose word processor and text editor for Microsoft Windows. It is fast, small, and easy-to-use' and is an app in the Development category. There are more than 50 alternatives to Poly Edit Lite for a variety of platforms, including Windows, Linux, Mac, BSD and PortableApps.com. The best alternative is Visual Studio Code, which is free. Other great apps like Poly Edit Lite are Notepad++ (Free, Open Source), Vim (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.
GNU nano is a small and friendly text editor. Besides basic text editing, nano offers many extra features like an interactive search and replace, go to line and column number, auto-indentation, feature toggles, internationalization support, and filename tab completion.
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).