Codit is a free source code editor 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
ThunderVB is an add-in for Visual Basic 6. ThunderVB let's you embed Asm and C instructions directly in you VBsource programs. Furthermore ThunVB let's you create a true StdCall Dlls. Moreover ThunVB can extend VB IDE to a basic Asm/C code editor. Tha
A text editor, that will hopefully evolve into a full-blown, powerful, source code editor, that won't compile code, but will support syntax highlighting and syntax errors for the more common languages (C++, C, HTML, Java, C#, VB, J#, etc.)