Cygnus Editor is also known as CED. The last version released by CygnusSoft Software was V4.2
This famous Amiga text editor is one of the best known on the Amiga, released early in the Amiga's life, it was used by a lot of software developers to code their programs.
A newer version 5 of CygnusEd has now been released by the German developer APC&TCP. This is a port of the original Amiga 68K version for the newer AmigaOS4 PPC platform. You can read more about this version here .