Make the C Rules engine a popular Open Source rule engine for C source code
Plugin, AST, C, Rule
The C Rules engine is still a pretty young plugin which is based on the SonarSource C Plugin. This plugin doesn't yet contain lot of rules/checks but is ready to grow in order to embed best practices and market standards.
Community, Social, Descriptions
Stackoverflow is a good example of a social community which let you get answer on any kind of questions about programming. Sonarpedia could be similar but dedicated to Quality and Security questions.