wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit
Change encoding of text files.
Create sticky notes, to-do list, journals & reminders all in one app
An open source system for Arabic corpora processing
jNPad's an simple text editor written in Java.
An Arabic collocation extraction tool
HATE's an ASN.1 Text Editor.
Light-weight Scintilla-based text editor with syntax highlighting
a gui based property file editor in java. for java.
Command line tool to detect and convert files encoding.