SubEthaEdit
General purpose plain text editor for macOS
The app that started the collaborative editing revolution is back. Write articles, code, notes or meeting minutes with friends – wherever they are. Ideal for extreme programming sessions, tutoring, and creative writing. And now it is free and open source! Have as many windows open of one document as you like. Great for comparing multiple places, keeping a reference section open, or following others. Use your desired flavor of regex for the search. From simple shell to full power ruby style...