Codit is a free source codeeditor which works easily and looks awesome. Codit has line numbers and supports html,php,c#,vb,xml,sql,lua. It also highlights the current line. Its black background makes you feel like you are going to be the next Bill Gates
AssemblyEdit is a powerful, lightweight and modern editor for the assembly low-level programming language, that works on Windows NT (NT/2000/XP/2003/Vista) systems.
Notepad² is a text and source codeeditor for Windows. Notepad² offers syntax coloration for common langages, customizable interface, auto-completion, macro recording and so much more !