Cooledit

Cooledit is a fantastic text editor, designed for use with the X Window System. One of its key features is the built-in Python interpreter, which allows for seamless macro programming. Additionally, it boasts a wide range of utilities and functionality, making it an incredibly versatile tool for programmers.

One of the standout features of Cooledit is its intuitive user interface. With multiple edit windows, users can easily navigate and organize their work, without requiring any prior training. Furthermore, the editor supports syntax highlighting for a wide variety of programming languages, making it an excellent choice for developers.

Cooledit also includes interactive graphical debugger for C/C++ programs, as well as all the conveniences of MSW/MAC text editors. Another notable feature is the beautiful 3D interface, with a look and feel similar to that of Motif. Additional functions include spell-checking, undo and redo actions, text highlighting, and macro recording.

The editor also includes a generic shell execution facility, enabling users to easily run a variety of shell functions on their text or editor files. Other features include easy key redefinition, mouse text highlighting, desktop and cursor position memory, and comprehensive search and replace capabilities.

Overall, Cooledit is an incredibly user-friendly and multifunctional text editor that requires no prior experience to use. If you're looking for a reliable and feature-rich editor for X Window Systems, this is an excellent choice.