free hex editor

CodeLobster IDE is a smart free cross-platform IDE (editor)

Lunacy is a free all-in-one next-gen vector editor for UI, UX, and Web design.

Code editor with syntax highlight for lot of languages.

Bold new take on the minimal editor.

Powerful, lightweight editor for programmers.

Cross-platform gettext catalogs (.po files) editor.

Music Macro Language (MML) editor.

Minimalist Markdown editor.

A hackable text editor.

Font editor.