From NSIS Wiki
|Author: isaiahbarney (talk, contrib)|
Check it out at: jedit.org
jEdit is a great open-source editor. It was created with Java. All current versions since 4.1 include full support for NSIS2 code.
JRE 1.3 is required. JRE 1.4 or higher is highly recommended (adds scrolling and much more).