LianjaDev

The Lianja Script Editor is a full featured and modern source code editor. It includes support for syntax highlighting, intelligent code completion, code snippets, code folding, intellisense and Intellitips. Go beyond normal Intellisense with "Live" pick lists for cursors, parameter hints for all functions, function and variable discovery and much more.

Full documentation can be found at:
https://lianja.com/doc/index.php/Script_Editor