Code editor component for web apps

A multifunctional Android code editor library. (aka CodeEditor)

A syntax highlighting, code folding text editor for Java Swing applications.

piece table text edit

Text Editor for Android

Mivik's Galaxy.

A monospaced text editor which supports very large text models (WORK IN PROGRESS).

A custom source code editor for clopad, karel and skorbut

The WPF-based text editor component used in SharpDevelop

A lightweight code editor for use in Java applications.

IntelliJ IDEA & IntelliJ Platform

Text sequence data structures

Java implementation of PieceTable data structure modified to work with any arbitrary byte stream and have persistence along all initializations with serialization using persist class.

Apache NetBeans