jEdit is a free software text editor available under the GNU General Public License version 2.0. It is written in Java and runs on any operating system with Java support, including BSD, Linux, macOS and Windows.
License: Open Source
NINJA-IDE is a cross-platform IDE that focuses on Python development with integrated debugging and user-friendly features, making it suitable for beginners. In contrast, jEdit is a highly customizable text editor for experienced developers, offering powerful macro support and a lightweight design, but may have a steeper learning curve.