GNU Coding Standards

http://www.gnu.org/prep/standards/standards.html#Preface

Code Conventions for the Java Programming Language

http://www.oracle.com/technetwork/java/codeconvtoc-136057.html

Coding Standards for Visual Basic

"The purpose of this document is to provide quality guidelines for the control of code developed in Visual Basic, ensuring some degree of discipline is employed in the development environment. In addition these standards are designed to increase readability, maintainability, reliability and portability of Visual Basic programs...."

http://www.pbdr.com/vbstd/VB%20Coding%20Standards%281%29.htm