SciTE is described as 'SCIntilla based Text Editor. Originally built to demonstrate Scintilla, it has grown to be a generally useful editor with facilities for building and running programs. It is best used for jobs with simple configurations - I use it for building test and demonstration' and is a very popular Code Editor in the development category. There are more than 100 alternatives to SciTE for a variety of platforms, including Windows, Linux, Mac, BSD and Flathub apps. The best SciTE alternative is Notepad++, which is both free and Open Source. Other great apps like SciTE are Visual Studio Code, Sublime Text, VSCodium and Vim.
Notepad more focused on developing than just scribble down notes.
These is not an exhaustive feature list, but gives you some idea of the features present in Programmer’s Notepad.
A simple text editor for the Xfce desktop environment. Mousepad aims to be an easy-to-use and fast editor for quickly editing text files, not a development environment or an editor with a huge bunch of plugins.
jEdit is a mature programmer's text editor with hundreds (counting the time developing plugins) of person-years of development behind it. jEdit beats many expensive development tools for features and ease of use AND it is released as free software with full source code...
EditPlus is a text editor, HTML editor and programmers editor for Windows. While it can serve as a good Notepad replacement, it also offers many powerful features for Web page authors and programmers.
SynWrite is a free source code editor and notepad replacement for Microsoft Windows Operating Systems.
NINJA-IDE (from the recursive acronym: "Ninja-IDE Is Not Just Another IDE"), is a cross-platform integrated development environment (IDE). NINJA-IDE runs on Linux/X11, Mac OS X and Windows desktop operating systems, and allows developers to create applications for...
Caret is a lightweight-but-powerful programmer's editor running as a Chrome Packaged App. Inspired by Sublime and built on top of the Ace editing component, it offers:
Vim inspired text editor with support for multiple selections and scores of other "out of the box" features.
MacVim is a port of the text editor Vim to macOS. MacVim supports multiple windows with tabbed editing and a host of other features such as:
PyScripter is a free and open-source Python Integrated Development Environment (IDE) created with the ambition to become competitive in functionality with commercial Windows-based IDEs available for other languages.
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NINJA-IDE is for Python programming. SciTE is for all languages. It has problems with UTF-8.