Here is a list of most frequently used coding standards for the mainstream programming languages.
for Java:
"Coding Conventions for the Java Programming Language" - Sun Microsystems
"Elements of Java Style" - Alan Vermeulen (eds.)
for C:
"Indian Hill Recommended C Style and Coding Standards" - Bell Labs
"Guidelines for the Use of the C Language in Vehicle Based Software" - MISRA
for C++:
"Industrial Strength C++" - Mats Henricson, Erik Nyquist
"Effective C++" - Scott Meyers
for C#:
"Design Guidelines for Class Library Developers" - Microsoft
"Coding Standard: C#" - Philips Medical Systems
Here is a list of the current market leaders for the various programming languages.
for Java:
CheckStyle (SourceForge project)
for C:
LCLint/Splint (University of Virginia)
for C++:
for C#:
no market leader yet